Key-title  

Proceedings of the National Academy of Sciences of the United States of America (Online)

Identifiers
Resource information
Archival Status
logo Keepers

Title proper: Proceedings of the National Academy of Sciences of the United States of America.

Other variant title: PNAS online

Other variant title: PNAS

Country: United States

Medium: Online


logo Keepers
Status Publisher Keeper From To Updated Extent of archive
Preserved

National Academy of Sciences

CLOCKSS Archive

1915

2014

15/07/2024

1 to 109, 111
In Progress

National Academy of Sciences

CLOCKSS Archive

2013

2024

15/07/2024

110, 112 to 121
Preserved

National Academy of Sciences [etc.]

HathiTrust

1915

1929

01/07/2024

v.1 (1915); v.3 (1917); v.5 (1919); v.4 (1918); v.3 (1917); v.2 (1916); v.1:4 (1915); v.1:1 (1915); v.7 (1921); v.2 (1916); v.1 (1915); v.6 (1920); v.5 (1919); v.4 (1918); v.4 (1918); v.2 (1916); v.2 (1916); v.8 (1922); v.1 (1915); v.4 (1918); v.7 (1921); v.7 (1921); v.1 (1915); v.3 (1917); v.5 (1919); v.3 (1917); v.8 (1922); v.6 (1920); v.6 (1920); v.6-7 (1920-1921); v.5 (1919); v.2 (1916); v.8 (1922); v.5 (1919); v.2 (1916); v.3 (1917); v.6 (1920); v.7 (1921); v.8 (1922); v.3 (1917); v.1 (1915); v.4 (1918); v.2 (1916); v.4 (1918); v.7 (1921); v.5 (1919); v.5 (1919); v.4 (1918); v.6 (1920); v.1 (1915); v.3 (1917); v.1 (1915); v.8 (1922); v.1 (1915); v.5 (1919); v.2 (1916); v.3 (1917); v.7 (1921); v.4 (1918); v.4-5 (1918-19); Index v.85; v.9 1923; v.10 1929; v.13 1927; v.11 1925; v.14 1928; v.6 1920; v.5 1919; v.8 1922; v.3 1917; v.1 1915; v.4 1918; v.2 1916; v.7 1921; v.12 1926; v.5; v.10; v.11
Preserved

National Academy of Sciences [etc.], 1915-1979.

HathiTrust

1915

1928

01/07/2024

v.1 1915; v.2 1916; v.3 1917; v.4 1918; v.5 1919; v.6 1920; v.7 1921; v.8 1922; v.9 1923; v.10 1924; v.11 1925; v.12 1926; v.13 1927; v.14 1928; v.10 1924; v.11 1925; v.13 1927; v.14 1928; v.12 1926; v.6 1920; v.7 1921; v.8 1922; v.9 1923
Preserved

National Academy of Sciences

Internet Archive

1914

2014

26/04/2024

1 to 119
Preserved

National Academy of Sciences

LOCKSS Archive

1915

2022

15/07/2024

120, 121
In Progress

National Academy of Sciences

LOCKSS Archive

2023

2024

15/07/2024

Preserved : 11 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49); 16 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 17 (suppl_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 18 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 19 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 111 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 112 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 113 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 114 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 115 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 116 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 117 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 118 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 119 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52)
Preserved

National Academy of Sciences

National Digital Preservation Program, China

2009

2022

08/01/2024

Preserved : 11 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49); 12 (1 to 5, 8, 9, 11, 12, 14 to 19, 26, 27, 29, 32 to 35, 37, 38, 41, 44, 46, 47, 49, 52); 16 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 17 (suppl_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 18 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 19 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 111 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 112 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 113 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 114 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 115 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 116 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 117 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 118 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 119 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52)
Preserved

National Academy of Sciences

National Digital Preservation Program, China

2009

2023

09/04/2024

Preserved : 11 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49); 16 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 17 (suppl_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 18 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 19 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 111 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 112 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 113 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 114 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 115 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 116 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 117 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 118 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52)
Preserved

National Academy of Sciences

National Digital Preservation Program, China

2009

2021

25/07/2023

Preserved : 11 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49); 12 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 16 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 17 (suppl_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 18 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 19 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 111 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 112 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 113 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 114 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 115 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 116 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 117 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 118 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 119 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52)
Preserved

National Academy of Sciences

National Digital Preservation Program, China

2009

2023

17/07/2024

Preserved : 11 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49); 16 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 17 (suppl_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 18 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 19 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 111 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 112 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 113 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 114 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 115 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 116 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 117 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 118 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 119 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52)
Preserved

National Academy of Sciences

National Digital Preservation Program, China

2009

2022

13/10/2023

Preserved : 1915: 1(1-12), 1916: 2(1-12), 1917: 3(1-12), 1918: 4(1-12), 1919: 5(1-12), 1920: 6(1-12), 1921: 7(1-12), 1922: 8(1-12), 1923: 9(1-12), 1924: 10(1-12), 1925: 11(1-12), 1926: 12(1-12), 1927: 13(1-12), 1928: 14(1-12), 1929: 15(1-12), 1930: 16(1-12), 1931: 17(1-12), 1932: 18(1-12), 1933: 19(1-12), 1934: 20(1-12), 1935: 21(1-12), 1936: 22(1-12), 1937: 23(1-12), 1938: 24(1-12), 1939: 25(1-12), 1940: 26(1-12), 1941: 27(1-12), 1942: 28(1-12), 1943: 29(1-11), 1944: 30(1-12), 1945: 31(1-12), 1946: 32(1-12), 1947: 33(1-12), 1948: 34(1-12), 1949: 35(1-12), 1950: 36(1-12), 1951: 37(1-12), 1952: 38(1-12), 1953: 39(1-12), 1954: 40(1-12), 1955: 41(1-12), 1956: 42(1-12), 1957: 43(1-12), 1958: 44(1-12), 1959: 45(1-12), 1960: 46(1-12), 1961: 47(1-12), 1962: 48(1-12), 1963: 49(1-6), 1963: 50(1-6), 1964: 51(1-6), 1964: 52(1-6), 1965: 53(1-6), 1965: 54(1-6), 1966: 55(1-6), 1966: 56(1-6), 1967: 57(1-6), 1967: 58(1-6), 1968: 59(1-4), 1968: 60(1-4), 1968: 61(1-4), 1969: 62(1-4), 1969: 63(1-4), 1969: 64(1-4), 1970: 65(1-4), 1970: 66(1-4), 1970: 67(1-4), 1971: 68(1-12), 1972: 69(1-12), 1973: 70(1-12), 1974: 71(1-12), 1975: 72(1-12), 1976: 73(1-12), 1977: 74(1-12), 1978: 75(1-12), 1979: 76(1-12), 1980: 77(1-12), 1981: 78(1-12), 1982: 79(1-24), 1983: 80(1-24), 1984: 81(1-24), 1985: 82(1-24), 1986: 83(1-24), 1987: 84(1-24), 1988: 85(1-24), 1989: 86(1-24), 1990: 87(1-24), 1991: 88(1-24), 1992: 89(1-24), 1993: 90(1-24), 1994: 91(1-26), 1995: 92(1-26), 1996: 93(1-26), 1997: 94(1-26), 1998: 95(1-26), 1999: 96(1-26), 2000: 97(1-26), 2001: 98(1-26), 2002: 99(1-26), 2002/2003: 100(1-26), 2004: 101(1-9, 11-52), 2005: 102(1-19, 21-23, 25-52), 2006: 103(1-52), 2007: 104(1-52), 2008: 105(1-52), 2009: 106(1-52), 2009/2010: 107(1-52), 2010/2011: 108(1-52), 2011/2012: 109(1-52), 2012/2013: 110(1-52), 2014: 111(1-52), 2015: 112(1-52), 2016: 113(1-52), 2017: 114(1-52), 2018: 115(1-52), 2019: 116(1-52), 2020: 117(1-52), 2021: 118(1-42, 44-52), 2022: 119(0-3, 5-52), 2023: 120(1-19, 21, 24, 31-32, 34-35, 37-38)
Preserved

Proceedings of the National Academy of Sciences

Portico

1915

2023

19/07/2024

Archival Status
Status Publisher Keeper From To Updated Extent of archive
Preserved

National Academy of Sciences

CLOCKSS Archive

1915

2014

15/07/2024

1 to 109, 111
In Progress

National Academy of Sciences

CLOCKSS Archive

2013

2024

15/07/2024

110, 112 to 121
Preserved

National Academy of Sciences [etc.]

HathiTrust

1915

1929

01/07/2024

v.1 (1915); v.3 (1917); v.5 (1919); v.4 (1918); v.3 (1917); v.2 (1916); v.1:4 (1915); v.1:1 (1915); v.7 (1921); v.2 (1916); v.1 (1915); v.6 (1920); v.5 (1919); v.4 (1918); v.4 (1918); v.2 (1916); v.2 (1916); v.8 (1922); v.1 (1915); v.4 (1918); v.7 (1921); v.7 (1921); v.1 (1915); v.3 (1917); v.5 (1919); v.3 (1917); v.8 (1922); v.6 (1920); v.6 (1920); v.6-7 (1920-1921); v.5 (1919); v.2 (1916); v.8 (1922); v.5 (1919); v.2 (1916); v.3 (1917); v.6 (1920); v.7 (1921); v.8 (1922); v.3 (1917); v.1 (1915); v.4 (1918); v.2 (1916); v.4 (1918); v.7 (1921); v.5 (1919); v.5 (1919); v.4 (1918); v.6 (1920); v.1 (1915); v.3 (1917); v.1 (1915); v.8 (1922); v.1 (1915); v.5 (1919); v.2 (1916); v.3 (1917); v.7 (1921); v.4 (1918); v.4-5 (1918-19); Index v.85; v.9 1923; v.10 1929; v.13 1927; v.11 1925; v.14 1928; v.6 1920; v.5 1919; v.8 1922; v.3 1917; v.1 1915; v.4 1918; v.2 1916; v.7 1921; v.12 1926; v.5; v.10; v.11
Preserved

National Academy of Sciences [etc.], 1915-1979.

HathiTrust

1915

1928

01/07/2024

v.1 1915; v.2 1916; v.3 1917; v.4 1918; v.5 1919; v.6 1920; v.7 1921; v.8 1922; v.9 1923; v.10 1924; v.11 1925; v.12 1926; v.13 1927; v.14 1928; v.10 1924; v.11 1925; v.13 1927; v.14 1928; v.12 1926; v.6 1920; v.7 1921; v.8 1922; v.9 1923
Preserved

National Academy of Sciences

Internet Archive

1914

2014

26/04/2024

1 to 119
Preserved

National Academy of Sciences

LOCKSS Archive

1915

2022

15/07/2024

120, 121
In Progress

National Academy of Sciences

LOCKSS Archive

2023

2024

15/07/2024

Preserved : 11 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49); 16 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 17 (suppl_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 18 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 19 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 111 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 112 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 113 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 114 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 115 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 116 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 117 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 118 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 119 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52)
Preserved

National Academy of Sciences

National Digital Preservation Program, China

2009

2022

08/01/2024

Preserved : 11 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49); 12 (1 to 5, 8, 9, 11, 12, 14 to 19, 26, 27, 29, 32 to 35, 37, 38, 41, 44, 46, 47, 49, 52); 16 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 17 (suppl_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 18 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 19 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 111 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 112 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 113 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 114 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 115 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 116 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 117 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 118 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 119 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52)
Preserved

National Academy of Sciences

National Digital Preservation Program, China

2009

2023

09/04/2024

Preserved : 11 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49); 16 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 17 (suppl_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 18 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 19 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 111 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 112 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 113 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 114 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 115 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 116 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 117 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 118 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52)
Preserved

National Academy of Sciences

National Digital Preservation Program, China

2009

2021

25/07/2023

Preserved : 11 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49); 12 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 16 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 17 (suppl_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 18 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 19 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 111 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 112 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 113 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 114 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 115 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 116 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 117 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 118 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 119 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52)
Preserved

National Academy of Sciences

National Digital Preservation Program, China

2009

2023

17/07/2024

Preserved : 11 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49); 16 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 17 (suppl_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 18 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 19 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 111 (Supplement_1, 1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 112 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 113 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 114 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 115 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 116 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 117 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 118 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52); 119 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41 to 49, 51, 52)
Preserved

National Academy of Sciences

National Digital Preservation Program, China

2009

2022

13/10/2023

Preserved : 1915: 1(1-12), 1916: 2(1-12), 1917: 3(1-12), 1918: 4(1-12), 1919: 5(1-12), 1920: 6(1-12), 1921: 7(1-12), 1922: 8(1-12), 1923: 9(1-12), 1924: 10(1-12), 1925: 11(1-12), 1926: 12(1-12), 1927: 13(1-12), 1928: 14(1-12), 1929: 15(1-12), 1930: 16(1-12), 1931: 17(1-12), 1932: 18(1-12), 1933: 19(1-12), 1934: 20(1-12), 1935: 21(1-12), 1936: 22(1-12), 1937: 23(1-12), 1938: 24(1-12), 1939: 25(1-12), 1940: 26(1-12), 1941: 27(1-12), 1942: 28(1-12), 1943: 29(1-11), 1944: 30(1-12), 1945: 31(1-12), 1946: 32(1-12), 1947: 33(1-12), 1948: 34(1-12), 1949: 35(1-12), 1950: 36(1-12), 1951: 37(1-12), 1952: 38(1-12), 1953: 39(1-12), 1954: 40(1-12), 1955: 41(1-12), 1956: 42(1-12), 1957: 43(1-12), 1958: 44(1-12), 1959: 45(1-12), 1960: 46(1-12), 1961: 47(1-12), 1962: 48(1-12), 1963: 49(1-6), 1963: 50(1-6), 1964: 51(1-6), 1964: 52(1-6), 1965: 53(1-6), 1965: 54(1-6), 1966: 55(1-6), 1966: 56(1-6), 1967: 57(1-6), 1967: 58(1-6), 1968: 59(1-4), 1968: 60(1-4), 1968: 61(1-4), 1969: 62(1-4), 1969: 63(1-4), 1969: 64(1-4), 1970: 65(1-4), 1970: 66(1-4), 1970: 67(1-4), 1971: 68(1-12), 1972: 69(1-12), 1973: 70(1-12), 1974: 71(1-12), 1975: 72(1-12), 1976: 73(1-12), 1977: 74(1-12), 1978: 75(1-12), 1979: 76(1-12), 1980: 77(1-12), 1981: 78(1-12), 1982: 79(1-24), 1983: 80(1-24), 1984: 81(1-24), 1985: 82(1-24), 1986: 83(1-24), 1987: 84(1-24), 1988: 85(1-24), 1989: 86(1-24), 1990: 87(1-24), 1991: 88(1-24), 1992: 89(1-24), 1993: 90(1-24), 1994: 91(1-26), 1995: 92(1-26), 1996: 93(1-26), 1997: 94(1-26), 1998: 95(1-26), 1999: 96(1-26), 2000: 97(1-26), 2001: 98(1-26), 2002: 99(1-26), 2002/2003: 100(1-26), 2004: 101(1-9, 11-52), 2005: 102(1-19, 21-23, 25-52), 2006: 103(1-52), 2007: 104(1-52), 2008: 105(1-52), 2009: 106(1-52), 2009/2010: 107(1-52), 2010/2011: 108(1-52), 2011/2012: 109(1-52), 2012/2013: 110(1-52), 2014: 111(1-52), 2015: 112(1-52), 2016: 113(1-52), 2017: 114(1-52), 2018: 115(1-52), 2019: 116(1-52), 2020: 117(1-52), 2021: 118(1-42, 44-52), 2022: 119(0-3, 5-52), 2023: 120(1-19, 21, 24, 31-32, 34-35, 37-38)
Preserved

Proceedings of the National Academy of Sciences

Portico

1915

2023

19/07/2024

Record information

Last modification date: 07/09/2022

Type of record: Confirmed

ISSN Center responsible of the record: ISSN National Centre for the USA

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