|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1954: 1(1-2), 1955: 2(1-4), 1956: 3(1-4), 1957: 4(1-4), 1958: 5(1-4), 1959: 6(1-4), 1960: 7(1-4), 1961: 8(1-6), 1962: 9(1-6), 1963: 10(1-6), 1964: 11(1-6), 1965: 12(1-6), 1966: 13(1-6), 1967: 14(1-6), 1968: 15(1-6), 1969: 16(1-6), 1970: 17(1-6), 1971: 18(1-2), 1972: 19(1-6), 1973: 20(2-3), 1974: 21(1-6), 1975: 22(1-6), 1976: 23(1-6), 1977: 24(1-6), 1978: 25(1-6), 1979: 26(1-6), 1980: 27(1-6), 1981: 28(1-6), 1982: 29(1, S 1, 2-6), 1983: 30(1-3, S 3, 4-6), 1984: 31(1-3, S 3, 4-6), 1985: 32(1-3, S 3, 4-6), 1986: 33(1, S 1, 2-6)
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|
|
Portico
|
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Preserved
|
2026-02-12
|
|
|
Preserved : 1996: 43(4), 1997: 44(4)
|
|
|
Internet Archive
|
|
Preserved
|
2025-08-08
|
|
|
1 to 57
|
|
|
Scholars Portal
|
|
Preserved
|
2025-09-02
|
|
|
Preserved : 44 (1 to 12); 45 (, 1 to 12); 46 (, 1 to 12); 47 (, 1 to 12); 48 (, 1 to 11); 49 (, 1 to 10); 50 (, 1 to 10); 51 (, 1 to 10); 52 (, 1 to 10); 53 (, 1 to 12); 54 (, 1 to 12); 55 (, 1 to 12); 56 (, 1 to 12); 57 (, 1 to 12); 58 (, 1 to 12); 59 (, 1 to 12); 60 (, 1 to 12); 61 (, 1 to 12); 62 (, 1 to 12); 63 (, 1 to 12); 64 (, 1 to 12); 65 (, 1 to 12); 66 (, 1 to 12); 67 (, 1 to 12); 68 (, 1 to 12); 69 (, 1 to 12); 70 (, 1 to 12); 71 (, 1 to 12); 72 (, 1 to 6); 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
|
|
|
LOCKSS Archive
|
|
In Progress
|
2026-02-09
|
|
|
59
|
|
|
LOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
60 to 66
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1965: 12(4)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1969: 16(1)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1971: 18(3-6)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1973: 20(1, 4-6)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1981: 28(3)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1987: 34(1, S 1, 2-6), 1988: 35(1, S 1, 2-6), 1989: 36(1, S 1, 2-6), 1990: 37(1, S 1, 2-8), 1991: 38(1, S 1, 2-8), 1992: 39(1, S 1, 2-10), 1993: 40(1-12), 1994: 41(1, S 1, 2-12), 1995: 42(1, S 1, 2-12), 1996: 43(1, S 1, 2-12), 1997: 44(1, S 1, 2-12), 1998: 45(1, S 1, 2-12), 1999: 46(1-5, S 5, 6-12), 2000: 47(1-12), 2001: 48(1, S 1, 2-11), 2002: 49(1, S 1, 2-10), 2003: 50(1, S 1, 2-10), 2004: 51(1, S 1, 2-10), 2005: 52(1, S 1, 2-10), 2006: 53(1-12, S 12), 2007: 54(1-12), 2008: 55(1-12), 2009: 56(1-12), 2010: 57(1-12), 2011: 58(1-12), 2012: 59(1-12), 2013: 60(1, S 1, 2-7, 9-12), 2014: 61(1, S 1, 2-12), 2015: 62(1-12), 2016: 63(1-12), 2017: 64(1-12), 2018: 65(1, S 1, 2-12), 2019: 66(1, S 1, 2, S 2, 3-12), 2019/2020: 67(1, S 1, 2, S 2, 3-12), 2021: 68(1, S 1, 2, S 2, 3-12), 2022: 69(1, S 1, 2, S 2, 3-12), 2023: 70(1, S 1, 2, S 2, 3-12), 2024: 71(1, S 1, 2, S 2, 3-12), 2025: 72(1, S 1, 2, S 2, 3-11)
|
|
|
CLOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
44 to 72
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-10-23
|
|
|
Preserved : 5 (1, 3); 6 (Suppl 1, 1 to 9, 11, 12); 7 (Suppl 2, 1 to 9, 11, 12); 47 (7); 48 (8); 49 (1); 53; 55; 56 (Suppl 1, 1 to 9, 11, 12); 57 (Suppl 1, 1 to 9, 11, 12); 58 (Suppl 1, 1 to 9, 11, 12); 59 (Suppl 1, 1 to 9, 11, 12); 61 (Suppl 2, 1 to 9, 11, 12); 62 (Suppl 1, 1 to 9, 11, 12); 63 (Suppl 1, 1 to 9, 11, 12); 64 (Suppl 1, 1 to 9, 11, 12); 65 (Suppl 1, 1 to 9, 11, 12); 66 (Suppl 1, 1 to 9, 11, 12); 67 (Suppl 1, 1 to 9, 11, 12); 68 (Suppl 2, 1 to 9, 11, 12); 69 (Suppl 2, 1 to 9, 11, 12); 71 (Suppl 2, 1 to 9, 11, 12)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 5 (1, 3); 6 (Suppl 1, 1 to 9, 11, 12); 7 (Suppl 2, 1 to 9, 11, 12); 47 (7); 48 (8); 49 (1); 53; 55; 56 (Suppl 1, 1 to 9, 11, 12); 57 (Suppl 1, 1 to 9, 11, 12); 58 (Suppl 1, 1 to 9, 11, 12); 59 (Suppl 1, 1 to 9, 11, 12); 61 (Suppl 2, 1 to 9, 11, 12); 62 (Suppl 1, 1 to 9, 11, 12); 63 (Suppl 1, 1 to 9, 11, 12); 64 (Suppl 1, 1 to 9, 11, 12); 65 (Suppl 1, 1 to 9, 11, 12); 66 (Suppl 1, 1 to 9, 11, 12); 67 (Suppl 1, 1 to 9, 11, 12); 68 (Suppl 2, 1 to 9, 11, 12); 69 (Suppl 2, 1 to 9, 11, 12); 71 (Suppl 2, 1 to 9, 11, 12)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-10-23
|
|
|
Preserved : 5 (1 to 9); 44 (1 to 9, 11, 12); 45 (1 to 9, 11, 12); 46 (1 to 9, 11, 12); 47 (1 to 9, 11, 12); 48 (1 to 9, 11); 49 (1 to 9); 51 (1 to 9); 52 (1 to 9); 53 (1 to 9, 11, 12); 54 (1 to 9, 11, 12); 55 (1 to 9, 11, 12); 56 (1 to 9, 11, 12); 57 (1 to 7)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 5 (1 to 9); 44 (1 to 9, 11, 12); 45 (1 to 9, 11, 12); 46 (1 to 9, 11, 12); 47 (1 to 9, 11, 12); 48 (1 to 9, 11); 49 (1 to 9); 51 (1 to 9); 52 (1 to 9); 53 (1 to 9, 11, 12); 54 (1 to 9, 11, 12); 55 (1 to 9, 11, 12); 56 (1 to 9, 11, 12); 57 (1 to 7)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-10-23
|
|
|
Preserved : 61 (12)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 61 (12)
|
|
|
National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : 44 (10); 48 (supplement-1); 49; 50 (1); 51 (9, 10); 52 (supplement-1); 53 (1, 11); 54 (supplement-1, 1, 8); 55 (supplement-1, 1, 12); 56 (1-12); 57 (1-12); 58 (1-12); 59 (1-12); 60 (supplement-1, 1-12); 61 (1-9); 62 (1-3, 5-12); 63 (2-12); 64 (1-3, 6, 8, 12); 65 (supplement-2, 1-3, 6, 7, 9-12); 66 (1, 3, 7-9, 11, 12)
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