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Portico
|
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Preserved
|
2026-02-12
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|
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Preserved : 1970: 2(1, 4)
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|
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Portico
|
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Preserved
|
2026-02-12
|
|
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Preserved : 1978: 11(2)
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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 : 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 4); 24 (, 1 to 4); 25 (, 1 to 4); 26 (, 1 to 4); 27 (, 1 to 4); 28 (, 1 to 4); 29 (, 1 to 4); 30 (, 1 to 4); 31 (, 1 to 4); 32 (, 1 to 4); 33 (, 1 to 4); 34 (, 1 to 4); 35 (, 1 to 4); 36 (, 1 to 5); 37 (, 1 to 5); 38 (, 1 to 5); 39 (, 1 to 5); 40 (, 1 to 6); 41 (, 1 to 6); 42 (, 1 to 6); 43 (, 1 to 6); 44 (, 1 to 6); 45 (, 1 to 6); 46 (, 1 to 6); 47 (, 1 to 6); 48 (, 1 to 6); 49 (, 1 to 12); 50 (, 1 to 12); 51 (, 1 to 12); 52 (, 1, 3, 8 to 12); 53 (, 1 to 12); 54 (, 1 to 12); 55 (, 1 to 12); 56 (, 1 to 12); 57 (, 1, 2, 4 to 12); 58 (, 1 to 7); 1983; 1984; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 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
|
|
|
Internet Archive
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Preserved
|
2025-08-08
|
|
|
1 to 40
|
|
|
CLOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
1 to 59
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1993: 26(2), 1994: 27(1)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 2002: 35(3)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 2006: 39(2)
|
|
|
LOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
41 to 51
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 2008: 41(5-6), 2009: 42(1-6), 2010: 43(1-6), 2011: 44(1-6), 2012: 45(1, 3-5), 2013: 46(1-5), 2014: 47(1-6), 2014/2015: 48(2-6), 2016: 49(1-12), 2017: 50(1-12), 2018: 51(1-12), 2018/2019: 52(1-12), 2019/2020: 53(1-12), 2021: 54(1-12), 2022: 55(1-12), 2023: 56(1-12), 2024: 57(1-11), 2025: 58(1-12), 2026: 59(1)
|
|
|
LOCKSS Archive
|
|
In Progress
|
2026-02-09
|
|
|
52
|
|
|
Library of Congress
|
|
Preserved
|
2025-04-07
|
|
|
50 (9); 51 (2 to 12); 52 (1 to 12); 53 (1 to 12); 54 (1 to 12); 55 (1 to 12); 56 (1 to 12); 57 (1 to 11)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-10-23
|
|
|
Preserved : 3 (1 to 4); 4 (1 to 6); 5 (1 to 9, 11, 12); 31 (1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 5); 37 (1 to 5); 38 (1 to 5); 39 (1 to 5); 41 (1 to 6); 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (1 to 6); 46 (1 to 6); 47 (1 to 6); 48 (1 to 6); 49 (1 to 9, 11, 12); 51 (1 to 9, 11, 12); 52 (1 to 9, 11, 12); 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 9, 11, 12)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 3 (1 to 4); 4 (1 to 6); 5 (1 to 9, 11, 12); 31 (1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 5); 37 (1 to 5); 38 (1 to 5); 39 (1 to 5); 41 (1 to 6); 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (1 to 6); 46 (1 to 6); 47 (1 to 6); 48 (1 to 6); 49 (1 to 9, 11, 12); 51 (1 to 9, 11, 12); 52 (1 to 9, 11, 12); 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 9, 11, 12)
|
|
|
National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : 31 (1-4); 32 (1-4); 33 (1-4); 34 (1-4); 35 (1-4); 36 (1-5); 37 (1-5); 38 (1-5); 39 (1-3, 5); 40 (1-6); 41 (1-6); 42 (1-6); 43 (1-6); 44 (1-6); 45 (1-6); 46 (1-6); 47 (1-6); 48 (1-6); 49 (1-12); 50 (1-12); 51 (1-12); 52 (1-11)
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