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CLOCKSS Archive
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Preserved
|
2026-04-06
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2 to 61
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|
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Portico
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Preserved
|
2026-04-02
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Preserved : 1966: 2(1-12), 1967: 3(1-12), 1968: 4(1-12), 1969: 5(1-12), 1970: 6(1-12), 1971: 7(1-12), 1972: 8(1-12), 1973: 9(1-12), 1974: 10(1-12), 1975: 11(1-12), 1976: 12(1-12), 1977: 13(1-12), 1978: 14(1-12), 1979: 15(1-12), 1980: 16(1-12), 1981: 17(1-12), 1982: 18(1-12), 1983: 19(1-12), 1984: 20(1-12), 1985: 21(1-12), 1986: 22(1-12), 1987: 23(1-12), 1988: 24(1-12), 1989: 25(1-12), 1990: 26(1-12), 1991: 27(1-12)
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 28 (1 to 12); 29 (1 to 12); 30 (1 to 12); 31 (1 to 12); 32 (1 to 12); 33 (1, 4 to 12); 34 (7 to 12); 35 (1 to 12); 36 (1 to 12); 37 (1 to 12); 38 (1 to 12); 39 (1 to 12); 40 (1 to 12); 41 (1 to 12); 42 (1 to 12); 43 (1 to 12); 44 (1 to 12); 45 (1 to 12); 46 (1 to 12); 47 (1 to 6); 48 (1 to 6); 49 (1 to 6); 50 (1 to 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 57 (1 to 6); 58 (1 to 6); 59 (1 to 4); 60 (1 to 6); 61 (1 to 4)
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|
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Internet Archive
|
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Preserved
|
2025-08-08
|
|
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2 to 27
|
|
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Portico
|
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Preserved
|
2026-04-02
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Preserved : 1992: 28(1-12), 1993: 29(1-12), 1994: 30(1-12), 1995: 31(1-12), 1996: 32(1-12), 1997: 33(10)
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|
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Portico
|
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Preserved
|
2026-04-02
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Preserved : 1999: 35(5), 2000: 36(2)
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|
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Portico
|
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Preserved
|
2026-04-02
|
|
|
Preserved : 2005: 41(8, 10), 2006: 42(2-7)
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|
|
Portico
|
|
Preserved
|
2026-04-02
|
|
|
Preserved : 2007: 43(10), 2008: 44(2-3, 6-7)
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|
|
LOCKSS Archive
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|
In Progress
|
2026-04-06
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|
|
48, 55
|
|
|
Portico
|
|
Preserved
|
2026-04-02
|
|
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Preserved : 2012: 48(3, 5-6), 2013: 49(1-2, 5-6), 2014: 50(1-5), 2015: 51(1-6), 2016: 52(1-6), 2017: 53(1-6), 2018: 54(1-6), 2019: 55(1-6), 2020: 56(1-6), 2021: 57(1-6), 2022: 58(1-3, 5-6), 2023: 59(1-6), 2024: 60(1-4, 6), 2025: 61(1-4)
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|
|
LOCKSS Archive
|
|
Preserved
|
2026-04-06
|
|
|
49 to 54
|
|
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Library of Congress
|
|
Preserved
|
2025-04-07
|
|
|
53 (6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 57 (1 to 6); 58 (1 to 6); 59 (1 to 6); 60 (1 to 3)
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|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-10-23
|
|
|
Preserved : 4 (1 to 9, 11, 12); 5 (1 to 6); 6 (1 to 5); 33 (1, 4 to 9, 11, 12); 34 (1, 7 to 9, 11, 12); 35 (1 to 4, 6 to 9, 11, 12); 36 (1 to 9, 11, 12); 37 (1 to 9, 11, 12); 38 (1 to 9, 11, 12); 39 (1 to 9, 11, 12); 41 (1 to 9, 11, 12); 42 (1 to 9, 11, 12); 43 (1 to 9, 11, 12); 44 (1 to 9, 11, 12); 45 (1 to 9, 11, 12); 46 (1, 3 to 9, 11, 12); 47 (1 to 6); 48 (1 to 6); 49 (1 to 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 57 (1 to 6); 58 (1 to 6); 59 (1 to 4)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 4 (1 to 9, 11, 12); 5 (1 to 6); 6 (1 to 5); 33 (1, 4 to 9, 11, 12); 34 (1, 7 to 9, 11, 12); 35 (1 to 4, 6 to 9, 11, 12); 36 (1 to 9, 11, 12); 37 (1 to 9, 11, 12); 38 (1 to 9, 11, 12); 39 (1 to 9, 11, 12); 41 (1 to 9, 11, 12); 42 (1 to 9, 11, 12); 43 (1 to 9, 11, 12); 44 (1 to 9, 11, 12); 45 (1 to 9, 11, 12); 46 (1, 3 to 9, 11, 12); 47 (1 to 6); 48 (1 to 6); 49 (1 to 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 57 (1 to 6); 58 (1 to 6); 59 (1 to 4)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-10-23
|
|
|
Preserved : 45 (11, 12); 46 (1 to 9, 11, 12)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 45 (11, 12); 46 (1 to 9, 11, 12)
|
|
|
National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : 35 (5); 36 (8-12); 37 (1-12); 38 (1-12); 39 (1-12); 40 (1-12); 41 (1-12); 42 (1-4, 6-11); 43 (2-5, 7-12); 44 (1-12); 45 (1-4, 6-12); 46 (1-12); 47 (1-6); 48 (1-5); 49 (1-6); 50 (1-6); 51 (1-6); 52 (1-6); 53 (1-6); 54 (1-6); 55 (1-3)
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