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Internet Archive
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Preserved
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2025-08-08
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1 to 25
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 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 12); 67 (, 1 to 12); 68 (, 1 to 7); 69 (, 1 to 12); 70 (, 1, 2); 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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CLOCKSS Archive
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Preserved
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2026-02-09
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42 to 70
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Portico
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Preserved
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2026-02-12
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Preserved : 1997: 42(1-12), 1998: 43(1-12), 1999: 44(1-12), 2000: 45(1-12), 2001: 46(1-12), 2002: 47(1-12), 2003: 48(1-12), 2004: 49(1-12), 2005: 50(1-12), 2006: 51(1-12), 2007: 52(1-12), 2008: 53(1-12), 2009: 54(1-12), 2010: 55(1-12), 2011: 56(1-12), 2012: 57(1-8, 10, 12), 2013: 58(1-8, 11-12), 2014: 59(1-9, 11), 2015: 60(2-12), 2016: 61(1-12), 2017: 62(1-8, 10-12), 2018: 63(1-12), 2019/2020: 64(1-12), 2020: 65(1-12), 2021: 66(1-12), 2022: 67(1-12), 2023: 68(1-2, S 2, 3, S 3, 4-7, 9-10), 2024: 69(1-10, 12), 2025: 70(1-11)
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LOCKSS Archive
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In Progress
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2026-02-09
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57
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|
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LOCKSS Archive
|
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Preserved
|
2026-02-09
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58 to 64
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Library of Congress
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Preserved
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2025-04-07
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62 (12); 63 (1 to 12); 64 (1 to 12); 65 (1 to 12); 66 (1 to 12); 67 (1 to 12); 68 (1, S1, S2, 2, 3, S3, 4 to 12); 69 (1 to 7)
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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 to 6, 8, 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)
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National Digital Preservation Program, China
|
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Preserved
|
2025-12-04
|
|
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Preserved : 5 (1 to 6, 8, 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)
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National Digital Preservation Program, China
|
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Preserved
|
2025-10-23
|
|
|
Preserved : 6 (2 to 9, 11, 12); 56; 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, 11, 12); 68 (1 to 5); 69 (1 to 9)
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|
|
National Digital Preservation Program, China
|
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Preserved
|
2025-12-04
|
|
|
Preserved : 6 (2 to 9, 11, 12); 56; 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, 11, 12); 68 (1 to 5); 69 (1 to 9)
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National Library of the Netherlands
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Preserved
|
2024-12-15
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Preserved : 42 (1, 2, 4-12); 43 (1-12); 44 (1-8, 10-12); 45 (1-12); 46 (1-12); 47 (1-12); 48 (1-12); 49 (1-12); 50 (1-12); 51 (2-9, 11, 12); 52 (1, 2, 5-10, 12); 53 (1-12); 54 (1-12); 55 (1-12); 56 (1-12); 57 (1-12); 58 (1-8, 10-12); 59 (1-12); 60 (1-12); 61 (1-12); 62 (1-12); 63 (1-12); 64 (1-11); 68 (4)
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