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Internet Archive
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Preserved
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2025-08-08
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1 to 32
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 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 10, 11-12); 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 12); 69 (, 1 to 5); 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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|
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CLOCKSS Archive
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Preserved
|
2026-02-09
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44 to 69
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Portico
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Preserved
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2026-02-12
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Preserved : 2000: 44(1-12), 2001: 45(1-12), 2002: 46(1-12), 2003: 47(1-12), 2004: 48(1-12), 2005: 49(1-12), 2006: 50(1-12), 2007: 51(1-12), 2008: 52(1-12), 2009: 53(1-12), 2010: 54(1-12), 2011: 55(1-12), 2012: 56(1-10, 12), 2013: 57(1-7, 9-12), 2014: 58(1-9, 11-12), 2015: 59(2-12), 2016: 60(1-12), 2017: 61(1-12), 2018: 62(1-12), 2019: 63(1-12), 2020: 64(1-12), 2021: 65(1-12), 2022: 66(1, S 1, 2-12), 2023: 67(1, S 1, 2, S 2, 3-12), 2024: 68(1-8, 10-11), 2025: 69(1-11)
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|
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LOCKSS Archive
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In Progress
|
2026-02-09
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56, 63
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|
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LOCKSS Archive
|
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Preserved
|
2026-02-09
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57 to 62
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Library of Congress
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Preserved
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2025-04-07
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60 (11); 61 (12); 62 (1 to 12); 63 (1 to 12); 64 (1 to 12); 65 (1 to 12); 66 (S1, 1 to 12); 67 (1, S1, S2, 2 to 12); 68 (1 to 8)
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National Digital Preservation Program, China
|
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Preserved
|
2025-10-23
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|
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Preserved : 5 (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)
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|
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National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 5 (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)
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|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-10-23
|
|
|
Preserved : 5 (1 to 9, 11, 12); 6 (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 (Suppl 1, 1 to 9, 11, 12); 67 (1 to 9, 11); 68 (1 to 9, 11)
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|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 5 (1 to 9, 11, 12); 6 (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 (Suppl 1, 1 to 9, 11, 12); 67 (1 to 9, 11); 68 (1 to 9, 11)
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|
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National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : 44 (1-12); 45 (1-12); 46 (1-12); 47 (1-12); 48 (1-12); 49 (1-12); 50 (3-9, 11, 12); 51 (1-3, 5-10, 12); 52 (1-12); 53 (1-12); 54 (1-12); 55 (1-12); 56 (1-12); 57 (1-12); 58 (1-12); 59 (1-10, 11-12); 60 (1-12); 61 (1-12); 62 (1-12); 63 (1-11)
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