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CLOCKSS Archive
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Preserved
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2026-02-09
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29 to 58
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Scholars Portal
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Preserved
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2025-09-02
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|
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Preserved : 27 (1 to 6); 28 (, 1 to 6); 29 (, 1 to 6); 30 (, 1 to 3); 31 (, 3); 1995; 1996; 1997; 1998; 1999
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Internet Archive
|
|
Preserved
|
2025-08-08
|
|
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21 to 31
|
|
|
Portico
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Preserved
|
2026-02-12
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Preserved : 1969: 1(1-4), 1970: 2(1-4), 1971: 3(1-4), 1972: 4(1-4), 1973: 5(1-4), 1974: 6(1-4), 1975: 7(1-4), 1976: 8(1-4), 1977: 9(1-4), 1978: 10(1-4), 1979: 11(1-4), 1980: 12(1-4), 1981: 13(1-4), 1982: 14(1-4), 1983: 15(1-4), 1984: 16(1-4), 1985: 17(1-4), 1986: 18(1-4), 1987: 19(1-4), 1988: 20(1-4), 1989: 21(1-4), 1990: 22(1-4), 1991: 23(1, S 1, 2-5), 1992: 24(1-6), 1993: 25(1-6), 1994: 26(1, S 1, 2-6), 1995: 27(1-6), 1996: 28(1-6), 1997: 29(1-5), 1998: 30(1, S 1, 2-6), 1999: 31(1-5), 2000: 32(1-6), 2001: 33(1, S 1, 2-6), 2002: 34(1-6), 2003: 35(1, S 1, 2-3, 5-7), 2004: 36(1-6), 2005: 37(1, S 1, 3-7), 2006: 38(1-6), 2007: 39(1-6), 2008: 40(1-6), 2009: 41(1), 2010: 42(1), 2011: 43(1), 2012: 44(1), 2013: 45(1), 2014: 46(1), 2015: 47(1), 2016: 48(1), 2017: 49(1), 2018: 50(1), 2019: 51(1), 2020: 52(1), 2021: 53(1), 2022: 54(1), 2023: 55(1), 2024: 56(1), 2025: 57(1)
|
|
|
LOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
36 to 44
|
|
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CLOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
40 to 46
|
|
|
LOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
32 to 35, 45 to 50
|
|
|
LOCKSS Archive
|
|
In Progress
|
2026-02-09
|
|
|
51
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-10-23
|
|
|
Preserved : 42; 43; 44; 45; 46; 47; 48; 49; 51; 52; 53; 54; 55; 56; 57
|
|
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National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 42; 43; 44; 45; 46; 47; 48; 49; 51; 52; 53; 54; 55; 56; 57
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-10-23
|
|
|
Preserved : 1 (2 to 4); 2 (1 to 4); 3 (Suppl 1, 1 to 6); 4 (1 to 6); 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (Suppl 1, 1 to 5); 24 (1 to 6); 25 (1 to 6); 26 (Suppl 1, 1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 5); 31 (1 to 5); 32 (1 to 6); 33 (Suppl 1, 1 to 6); 34 (1 to 6); 35 (Suppl 1, 1 to 3, 5 to 7); 36 (1 to 6); 37 (Suppl 1, 1, 3 to 7); 38 (1 to 6); 39 (1 to 6); 41 (1); 42; 43; 44; 45; 46; 47; 48; 49; 51; 52; 53; 54; 55
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 1 (2 to 4); 2 (1 to 4); 3 (Suppl 1, 1 to 6); 4 (1 to 6); 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (Suppl 1, 1 to 5); 24 (1 to 6); 25 (1 to 6); 26 (Suppl 1, 1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 5); 31 (1 to 5); 32 (1 to 6); 33 (Suppl 1, 1 to 6); 34 (1 to 6); 35 (Suppl 1, 1 to 3, 5 to 7); 36 (1 to 6); 37 (Suppl 1, 1, 3 to 7); 38 (1 to 6); 39 (1 to 6); 41 (1); 42; 43; 44; 45; 46; 47; 48; 49; 51; 52; 53; 54; 55
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|
|
British Library
|
|
Preserved
|
2019-09-18
|
|
|
Preserved : 1 (1 to 4), 2 (1 to 4), 3 (1 to 4), 4 (1 to 4), 5 (1 to 4), 6 (1 to 4), 7 (1 to 4), 8 (1 to 4), 9 (1 to 4), 10 (1 to 4), 11 (1 to 4), 12 (1 to 4), 13 (1 to 4), 14 (1 to 4), 15 (1 to 4), 16 (1 to 4), 17 (1 to 4), 18 (1 to 4), 19 (1 to 4), 20 (1 to 4), 21 (1 to 4), 22 (1 to 4), 23 (1 to 5; S1), 24 (1 to 6), 25 (1 to 6), 26 (1 to 6; S1), 27 (1 to 6), 28 (1 to 6), 29 (1 to 5), 30 (1 to 6; S1), 31 (1 to 5), 32 (1 to 6), 33 (1 to 6), 34 (1 to 6), 35 (1 to 3; 5 to 7; Supp 1), 36 (1 to 6), 37 (1; 3 to 7; Supp 1), 38 (1 to 6), 39 (1 to 6), 40 (1 to 6), 41 (1), 42 (1), 43 (1), 44 (1), 45 (1), 46 (1)
|
|
|
National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : 1 (1-4); 2 (1-4); 3 (1-4); 4 (1-4); 5 (1-4); 6 (1-4); 7 (1-4); 8 (1-4); 9 (1-4); 10 (1-4); 11 (1-4); 12 (1-4); 13 (1-4); 14 (1-4); 15 (1-4); 16 (1-4); 17 (1-4); 18 (1-4); 19 (1-4); 20 (1-4); 21 (1-4); 22 (1-4); 23 (1-5); 24 (1-6); 25 (1-6); 26 (1-6); 27 (1-6); 28 (1-6); 29 (1-5); 30 (1-6); 31 (1-5); 32 (1-6); 33 (1-6); 34 (1-6); 35 (1-3, 5-7); 36 (1-6); 37 (1, 3-7); 38 (1-6); 39 (1-6); 40 (1-6); 41 (1); 42; 43; 44; 45; 46
|
|
|
Library of Congress
|
|
Preserved
|
2025-04-07
|
|
|
42 (1); 43 (1); 44 (1); 45 (1); 46 (1); 47 (1); 48 (1); 49 (1); 50 (1)
|