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CLOCKSS Archive
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Preserved
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2026-02-09
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8 to 68
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Portico
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Preserved
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2026-02-12
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Preserved : 1975: 18(5)
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Portico
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Preserved
|
2026-02-12
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Preserved : 1980: 23(2, 6), 1981: 24(1)
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Portico
|
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Preserved
|
2026-02-12
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Preserved : 1983: 26(4), 1984: 27(3)
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Portico
|
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Preserved
|
2026-02-12
|
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Preserved : 1988: 31(6)
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 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 12); 48 (, 1 to 12); 49 (, 1 to 12); 50 (, 1 to 12); 51 (, 1 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 12); 58 (, 1 to 12); 59 (, 1 to 12); 60 (, 1 to 12); 61 (, 1 to 12); 62 (, 1 to 12); 63 (, 1 to 12); 64 (, 1 to 12); 65 (, 1 to 12); 66 (, 1 to 11); 67 (, 1, 3 to 12); 68 (, 1, 2); 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
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Internet Archive
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Preserved
|
2025-08-08
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to 19
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|
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LOCKSS Archive
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In Progress
|
2026-02-09
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|
|
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
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|
Preserved : 1992: 35(10)
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|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1996: 39(5-10), 1997: 40(1-12), 1998: 41(1-12), 1999: 42(1-12), 2000: 43(1-12), 2001: 44(1-12), 2002: 45(1-12), 2003: 46(1-12), 2004: 47(1-12), 2005: 48(1-12), 2006: 49(1-12), 2007: 50(1-12), 2008: 51(1-12), 2009: 52(1-12), 2010/2011: 53(1-12), 2011/2012: 54(1-12), 2012/2013: 55(1-3, 5, 7-12), 2013/2014: 56(1, 3-5, 7-12), 2014/2015: 57(1-12), 2015/2016: 58(1-12), 2016/2017: 59(1-12), 2017/2018: 60(1-12), 2018/2019: 61(1-12), 2019/2020: 62(1-12), 2020/2021: 63(1-12), 2021/2022: 64(1-12), 2022/2023: 65(1-6, 8-12), 2023/2024: 66(1-12), 2024: 67(1-10), 2025: 68(1-11)
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|
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Library of Congress
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Preserved
|
2025-04-07
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60 (6, 9 to 12); 61 (1 to 12); 62 (1 to 12); 63 (1 to 12); 64 (1 to 12); 65 (1 to 12); 66 (1 to 12); 67 (1 to 9)
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|
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National Digital Preservation Program, China
|
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Preserved
|
2025-10-23
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|
|
Preserved : 4 (1 to 9, 11, 12); 5 (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 to 9, 11, 12); 47 (1 to 9, 11, 12); 48 (1 to 9, 11, 12); 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 7)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 4 (1 to 9, 11, 12); 5 (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 to 9, 11, 12); 47 (1 to 9, 11, 12); 48 (1 to 9, 11, 12); 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 7)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-10-23
|
|
|
Preserved : 4 (1 to 9, 11, 12); 5 (1 to 9, 11, 12); 6 (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 to 9, 11, 12); 47 (1 to 9, 11, 12); 48 (1 to 9, 11, 12); 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); 58 (1 to 9, 11, 12); 59 (1 to 9, 11, 12); 61 (1 to 9, 11, 12); 62 (1 to 9, 11, 12); 63 (1 to 9, 11, 12); 64 (1 to 9, 11, 12); 65 (1 to 9, 11, 12); 66 (1 to 9, 11, 12); 67 (1 to 9)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 4 (1 to 9, 11, 12); 5 (1 to 9, 11, 12); 6 (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 to 9, 11, 12); 47 (1 to 9, 11, 12); 48 (1 to 9, 11, 12); 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); 58 (1 to 9, 11, 12); 59 (1 to 9, 11, 12); 61 (1 to 9, 11, 12); 62 (1 to 9, 11, 12); 63 (1 to 9, 11, 12); 64 (1 to 9, 11, 12); 65 (1 to 9, 11, 12); 66 (1 to 9, 11, 12); 67 (1 to 9)
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|
|
National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : 43 (8-12); 44 (1-12); 45 (1-12); 46 (1-12); 47 (1-7, 9-12); 48 (1-12); 49 (1, 2, 4-10, 12); 50 (1-12); 51 (1-12); 52 (1-3, 5-12); 53 (1-12); 54 (1-12); 55 (1-12); 56 (1-12); 57 (1-12); 58 (1-12); 59 (1-12); 60 (1-12); 61 (1-12); 62 (1-5)
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