Scholars Portal
1923-2025
Preserved
2026-03-19
Preserved : 1 (1 to 6); 2 (1 to 6); 3 (1 to 6); 4 (1 to 6); 5 (1 to 6); 6 (1 to 6); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 10 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (1 to 6); 20 (1 to 6); 21 (1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 30 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 40 (1 to 6); 41 (1 to 6); 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (1 to 6); 46 (1 to 6); 47 (1 to 6); 48 (1 to 4); 49 (1 to 4); 50 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1); 62 (2 to 4); 63 (1 to 4); 64 (1 to 4); 65 (1 to 4); 66 (1 to 4); 67 (1 to 4); 68 (1 to 4); 69 (1 to 4); 70 (1 to 4); 71 (1 to 4); 72 (1, 2, 3/4); 73 (1, 2, 3/4); 74 (1, 2, 3/4); 75 (1/2, 3, 4); 76 (1, 2, 3/4); 77 (1 to 4); 78 (1 to 4); 79 (1 to 4); 80 (1 to 4); 81 (1 to 4); 82 (1, 2/3, 4); 83 (1 to 4); 84 (1 to 4); 85 (1 to 4); 86 (1 to 5); 87 (1 to 5); 88 (1 to 5); 89 (1 to 5); 90 (1 to 3, 5); 91 (1 to 5); 92 (1 to 5); 93 (1 to 5); 94 (1 to 5); 95 (1 to 5); 96 (1 to 5); 97 (1 to 5); 98 (1 to 5); 99 (2 to 5); 100 (1 to 5)
Internet Archive
1923-2014
Preserved
2025-08-08
1 to 89
HathiTrust
1923-1929
Preserved
2025-11-01
v.4-5 1926/28; v.3 1925/1926; v.1 1923/1924; v.4 1926/1927; v.5 1927/1928; v.6 1928/1929
CLOCKSS Archive
1923-2021
Preserved
2026-05-04
1 to 96
LOCKSS Archive
1923-2024
Preserved
2026-05-04
1 to 99
LOCKSS Archive
2025-2025
In Progress
2026-05-04
100
Portico
1942-1999
Preserved
2026-05-07
Preserved : 1942/1943: 20(1-4), 1943/1944: 21(1-5), 1944/1945: 22(1-5), 1945/1946: 23(1-5), 1946/1947: 24(1-5), 1947/1948: 25(1-5), 1948/1949: 26(1-5), 1949/1950: 27(1-5), 1950/1951: 28(1-5), 1951/1952: 29(1-5), 1952/1953: 30(1-5), 1953/1954: 31(1-5), 1954/1955: 32(1-5), 1955/1956: 33(1-5), 1956/1957: 34(1-5), 1957/1958: 35(1-4), 1958/1959: 36(1-4), 1959/1960: 37(1-4), 1960/1961: 38(1-4), 1961/1962: 39(1-4), 1962/1963: 40(1-4), 1963/1964: 41(1-4), 1964/1965: 42(1-4), 1965/1966: 43(1-4), 1966/1967: 44(1-4), 1967/1968: 45(1-4), 1968/1969: 46(1-4), 1969/1970: 47(1-4), 1970/1971: 48(1-4), 1971/1972: 49(1-4), 1972/1973: 50(1-4), 1973/1974: 51(1-4), 1974/1975: 52(1-4), 1975/1976: 53(1-4), 1976/1977: 54(1-4), 1977/1978: 55(1-4), 1978/1979: 56(1-4), 1979/1980: 57(1-4), 1980/1981: 58(1-4), 1981/1982: 59(1-4), 1982/1983: 60(1-4), 1983/1984: 61(1-4), 1984/1985: 62(1-4), 1985/1986: 63(1-4), 1986/1987: 64(1-4), 1987/1988: 65(1-4), 1988/1989: 66(1-4), 1989/1990: 67(1-4), 1990/1991/1993: 68(1-4), 1993/1994: 69(1-4), 1994/1995: 70(1-4), 1996: 71(1-4), 1997: 72(1-2), 1998: 73(1-2), 1999: 74(1-2)
Portico
2000-2025
Preserved
2026-05-07
Preserved : 2000: 75(3-4), 2001: 76(1-2), 2002: 77(1-4), 2003: 78(1-4), 2004: 79(1-4), 2005: 80(1-4), 2006: 81(1-4), 2007: 82(1, 4), 2008: 83(1-4), 2009: 84(1-4), 2010: 85(1-4), 2011: 86(1-5), 2012: 87(1-5), 2013: 88(1-5), 2014: 89(1-5), 2015: 90(1-5), 2016: 91(1-5), 2017: 92(1-5), 2018: 93(1-5), 2019: 94(1-5), 2020: 95(1-5), 2021: 96(1-5), 2022: 97(1-5), 2023: 98(1-5), 2024: 99(1-5), 2025: 100(1-5)
National Digital Preservation Program, China
1997-2025
Preserved
2025-12-04
Preserved : 1; 8 (2 to 4); 9 (1 to 5); 72 (1, 2, 3-4); 73 (1, 2, 3-4); 74 (1, 2, 3-4); 75 (1-2, 3, 4); 76 (1, 2, 3-4); 77 (1 to 4); 78 (1 to 4); 79 (1 to 4); 81 (1 to 4); 82 (1, 2-3, 4); 83 (1 to 4); 84 (1 to 4); 85 (1 to 4); 86 (1 to 5); 87 (1 to 5); 88 (1 to 5); 89 (1 to 5); 91 (1 to 5); 92 (1 to 5); 93 (1 to 5); 94 (1 to 5); 95 (1 to 5); 96 (1 to 5); 97 (1 to 5); 98 (1, 3 to 5); 99 (1 to 5)
Library of Congress
2010-2025
Preserved
2025-04-07
85 (1 to 4); 86 (1 to 5); 87 (1 to 5); 88 (1 to 5); 89 (1 to 5); 90 (1 to 5); 91 (1 to 5); 92 (1 to 5); 93 (1 to 5); 94 (1 to 5); 95 (1 to 5); 96 (1 to 5); 97 (1 to 5); 98 (1 to 5); 99 (1 to 5); 100 (1)
HathiTrust
1923-1929
Preserved
2025-11-01
v.4-5 1926/28; v.3 1925/1926; v.1 1923/1924; v.4 1926/1927; v.5 1927/1928; v.6 1928/1929