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Portico
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Preserved
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2026-02-12
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Preserved : 1971: 8(2-4), 1972: 9(1-4)
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|
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Scholars Portal
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Preserved
|
2025-09-02
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|
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Preserved : 8 (2 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); 22 (, 1 to 4); 23 (, 1 to 4); 1971; 1972; 1973; 1974; 1975; 1976; 1977; 1978; 1979; 1985; 1986
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|
|
Scholars Portal
|
|
Preserved
|
2025-09-02
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|
|
Preserved : 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 4); 37 (, 1 to 4); 38 (, 1, 2-3, 4); 39 (, 1, 2, 3-4); 40 (, 1-2, 3-4); 47 (, 1 to 4); 48 (, 1 to 4); 49 (, 2 to 4); 50 (, 1 to 4); 51 (, 1 to 4); 52 (, 1, 3, 4); 53 (, 1 to 4); 54 (, 1 to 3); 55 (, 1 to 4); 56 (, 1 to 4); 57 (, 1 to 4); 58 (, 1 to 4); 59 (, 1 to 4); 60 (, 1, 2, 3-4); 61 (, 1-2, 3, 4); 62 (, 1, 2); 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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|
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Internet Archive
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Preserved
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2025-08-08
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to 51
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|
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LOCKSS Archive
|
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Preserved
|
2026-02-09
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|
|
8 to 61
|
|
|
CLOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
24 to 62
|
|
|
LOCKSS Archive
|
|
In Progress
|
2026-02-09
|
|
|
62
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1997: 34(1-4), 1998: 35(1-4), 1999: 36(1-4), 2000: 37(1-4), 2001: 38(1-4), 2002: 39(1-4), 2003: 40(1-4), 2004: 41(1-4), 2005: 42(1-4), 2006: 43(1-4), 2007: 44(1-4), 2008: 45(1-4), 2009: 46(1-4), 2010: 47(1-4), 2011: 48(1-4), 2012: 49(1-4), 2013: 50(1-4), 2014: 51(1-4), 2015: 52(1-4), 2016: 53(1-4), 2017: 54(1-4), 2018: 55(1-4), 2019: 56(1-4), 2020: 57(1-4), 2021: 58(1-4), 2022: 59(1-4), 2023: 60(1-4), 2024: 61(1-4), 2025: 62(1-4)
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|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 4 (1-2, 3-4); 5 (1 to 4); 6 (1, 2, 3-4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (1 to 4); 38 (1, 2-3, 4); 39 (1, 2, 3-4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 61 (1-2, 3, 4)
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|
|
National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : 1 (1, 2, 3-4); 2 (1-4); 3 (1-4); 4 (1-4); 7 (1); 8 (2-4); 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 (1-4); 24 (1-4); 25 (1-4); 26 (1-4); 27 (1-4); 28 (1-4); 29 (1-4); 30 (1-4); 31 (1-4); 32 (1-4); 33 (1-4); 34 (1-4); 35 (1-4); 36 (1-4); 37 (1-4); 38 (1, 2-3, 4); 39 (1, 2, 3-4); 40 (1-2, 3-4); 41 (1-4); 42 (1-4); 43 (1-4); 44 (1-4); 45 (1-4)
|
|
|
Library of Congress
|
|
Preserved
|
2025-04-07
|
|
|
47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 50 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 60 (1 to 3-4); 61 (1-2, 3)
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