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Portico
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Preserved
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2026-04-09
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Preserved : 1959: 3(1), 1960: 4(1), 1961: 5(1), 1962: 6(1), 1963: 7(1), 1964: 8(1-3), 1965: 9(1-3), 1966: 10(1-3), 1967: 11(1-3), 1968: 12(1-3), 1969: 13(1-3), 1970: 14(1-3), 1971: 15(1-3), 1972: 16(1-4), 1973: 17(1-3), 1974: 18(1-3), 1975: 19(1-3), 1976: 20(1-3), 1977: 21(1-3), 1978: 22(1-3), 1979: 23(1-3), 1980: 24(1-3), 1981: 25(1-3), 1982: 26(1-4), 1983: 27(1-4), 1984: 28(1-4), 1985: 29(1-4), 1986: 30(1-4), 1987: 31(1-4), 1988: 32(1-4), 1989: 33(1-4), 1990: 34(1-4), 1991: 35(1-4), 1992: 36(1-4), 1993: 37(1-4), 1994: 38(1-3), 1995: 39(1-3), 1996: 40(1-3), 1997: 41(1-3), 1998: 42(1-3), 1999: 43(1-3), 2000: 44(1-3), 2001: 45(1-4), 2004: 46(1-3), 2005: 47(1-3), 2006: 48(1-3), 2007: 49(1-3), 2010: 50(1-3), 2011: 51(1-3), 2012: 52(1-3), 2013: 53(1-3), 2014: 54(1-4), 2015: 55(1-4), 2016: 56(1-4), 2017: 57(1-4), 2018: 58(1-4), 2019: 59(1-4), 2020: 60(1-4), 2021: 61(1-4), 2022: 62(1-4), 2023: 63(1-4), 2024: 64(1-4)
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|
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CLOCKSS Archive
|
|
Preserved
|
2026-04-06
|
|
|
50 to 59
|
|
|
LOCKSS Archive
|
|
Preserved
|
2026-04-06
|
|
|
50 to 64
|
|
|
CLOCKSS Archive
|
|
In Progress
|
2026-04-06
|
|
|
60 to 64
|
|
|
LOCKSS Archive
|
|
In Progress
|
2026-04-06
|
|
|
65
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-10-23
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|
|
Preserved : 6 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 61 (1 to 4); 62 (1 to 4)
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|
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National Digital Preservation Program, China
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|
Preserved
|
2025-12-04
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|
|
Preserved : 6 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 61 (1 to 4); 62 (1 to 4)
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British Library
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|
Preserved
|
2019-09-18
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|
|
Preserved : 55 (2), 56 (2 to 3), 57 (1), 58 (2)
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