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Portico
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Preserved
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2026-02-12
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Preserved : 1948: 1(1-6), 1949: 2(1-6), 1950: 3(1-6), 1951: 4(1-6), 1952: 5(1-6), 1953: 6(1-6), 1954: 7(1-6), 1955: 8(1-6), 1956: 9(1-6), 1957: 10(1-6), 1958: 11(1-6), 1959: 12(1-6), 1960: 13(1-6), 1961: 14(1-6), 1962: 15(1-6), 1963: 16(1-6), 1964: 17(1-6), 1965: 18(1-6), 1966: 19(1-6), 1967: 20(1-6), 1968: 21(1-6), 1969: 22(1-6), 1970: 23(1-6), 1971: 24(1-6), 1972: 25(1-6), 1973: 26(1-6), 1974: 27(1-6), 1975: 28(1-6), 1976: 29(1-6), 1977: 30(1-6), 1978: 31(1-6), 1979: 32(1-6), 1980: 33(1-6), 1981: 34(1-6), 1982: 35(1-6), 1983: 36(1-6), 1984: 37(1-6), 1985: 38(1-6), 1986: 39(1-6), 1987: 40(1-6), 1988: 41(1-6), 1989: 42(1-6), 1990: 43(1-6), 1991: 44(1-6), 1993: 45(1-6), 1994: 46(1-4), 1995: 47(1-4), 1996: 48(1-4), 1997: 49(1-4), 1998: 50(1-4), 1999/2000: 51(1-4, S 9, S 10, S 11)
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Library of Congress
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Preserved
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2025-04-07
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67 (12); 68 (1 to 4-5, 6 to 12); 69 (1 to 11-12); 70 (1 to 12); 71 (1 to 6-7, 8 to 11-12); 72 (1 to 3-4, 5 to 9-10, 11-12); 73 (1 to 3-4, 5 to 12); 74 (1 to 10)
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : 5 (1, 2, 4); 6 (1 to 6); 7 (1 to 9, 11, 12); 49 (1, 2, 4); 51 (1, 2, 4, 9, 11); 52 (1 to 4); 53 (1 to 4); 54 (1 to 3, 5, 6); 55 (1 to 3, 5); 56 (1 to 3, 5); 57 (1 to 4, 6); 58 (1 to 3, 5); 59 (1 to 6); 61 (1, 2, 4 to 9, 11, 12); 62 (1 to 9); 63 (1, 2, 4 to 9, 11); 64 (1 to 9, 11, 12); 65 (1 to 9, 11, 12); 66 (1 to 6, 8, 9, 11, 12); 67 (1 to 3, 5 to 9, 11, 12); 68 (1 to 3, 4-5, 6 to 9, 11, 12); 69 (1 to 9, 11-12); 71 (1 to 5, 6-7, 8, 9, 11-12); 72 (1, 2, 3-4, 5 to 8, 9-1, 11-12); 73 (1, 2, 3-4, 5 to 9, 11, 12); 74 (1 to 9, 11)
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National Digital Preservation Program, China
|
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Preserved
|
2025-12-04
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Preserved : 5 (1, 2, 4); 6 (1 to 6); 7 (1 to 9, 11, 12); 49 (1, 2, 4); 51 (1, 2, 4, 9, 11); 52 (1 to 4); 53 (1 to 4); 54 (1 to 3, 5, 6); 55 (1 to 3, 5); 56 (1 to 3, 5); 57 (1 to 4, 6); 58 (1 to 3, 5); 59 (1 to 6); 61 (1, 2, 4 to 9, 11, 12); 62 (1 to 9); 63 (1, 2, 4 to 9, 11); 64 (1 to 9, 11, 12); 65 (1 to 9, 11, 12); 66 (1 to 6, 8, 9, 11, 12); 67 (1 to 3, 5 to 9, 11, 12); 68 (1 to 3, 4-5, 6 to 9, 11, 12); 69 (1 to 9, 11-12); 71 (1 to 5, 6-7, 8, 9, 11-12); 72 (1, 2, 3-4, 5 to 8, 9-1, 11-12); 73 (1, 2, 3-4, 5 to 9, 11, 12); 74 (1 to 9, 11)
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National Library of the Netherlands
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Preserved
|
2024-12-15
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|
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Preserved : 52 (4); 53 (1, 2); 55 (3-4, 5-6); 56 (1, 2, 3-4, 5-6); 57 (1, 3, 4-5, 6); 58 (1, 2, 3-4, 5-6); 59 (1-6); 60 (1-6); 61 (1, 2-3, 4-12); 62 (1-9, 10-12); 63 (1, 2-3, 4-8, 9-10, 11-12); 64 (1-12); 65 (1-8, 9-10, 11, 12); 66 (1-5, 6-7, 8-12); 67 (1, 2, 3-4, 5-12); 68 (1-3, 4-5, 6-12); 69 (1-10)
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Scholars Portal
|
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Preserved
|
2025-09-02
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Preserved : 52 (1 to 4); 53 (, 1 to 4); 54 (, 1, 2, 3-4, 5, 6); 55 (, 1, 2, 3-4, 5-6); 56 (, 1, 2, 3-4, 5-6); 57 (, 1 to 3, 4-5, 6); 58 (, 1, 2, 3-4, 5-6); 59 (, 1 to 6); 60 (, 1 to 6); 61 (, 1, 2-3, 4 to 12); 62 (, 1 to 9, 10-12); 63 (, 1, 2-3, 4 to 8, 9-10, 11-12); 64 (, 1 to 12); 65 (, 1 to 8, 9-10, 11, 12); 66 (, 1 to 5, 6-7, 8 to 12); 67 (, 1, 2, 3-4, 5 to 12); 68 (, 1 to 3, 4-5, 6 to 12); 69 (, 1 to 10, 11-12); 70 (, 1 to 12); 71 (, 1 to 5, 6-7, 8 to 10, 11-12); 72 (, 1, 2, 3-4, 5 to 8, 9-10, 11-12); 73 (, 1, 2, 3-4, 5 to 12); 74 (, 1 to 3, 5 to 10, 11-12); 75 (, 1 to 7); 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
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|
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CLOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
1 to 76
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 2001/2002: 52(1-4), 2003: 53(1-4), 2004: 54(1-6), 2005: 55(1-6), 2006: 56(1-6), 2007: 57(1-6), 2008: 58(1-6), 2009: 59(1-6), 2010: 60(1-6), 2011: 61(1-12), 2012: 62(1-12), 2013: 63(1-12), 2014: 64(1-12), 2015: 65(3-12), 2016: 66(1-12), 2017: 67(1-12), 2018: 68(1-12), 2019: 69(1-12), 2019/2020: 70(1-12), 2021: 71(1-12), 2022: 72(1-12), 2023: 73(2-12), 2024: 74(1-10), 2024/2025: 75(1-12), 2026: 76(1-2)
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|
|
LOCKSS Archive
|
|
In Progress
|
2026-02-09
|
|
|
62, 69
|
|
|
LOCKSS Archive
|
|
Preserved
|
2026-02-09
|
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63 to 68
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