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Internet Archive
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Preserved
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2025-08-08
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1 to 13
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 31 (1 to 6); 32 (, 1 to 6); 33 (, 1 to 6); 34 (, 1 to 6); 35 (, 1 to 6); 36 (, 1 to 6); 37 (, 1 to 6); 38 (, 1 to 6); 39 (, 1 to 6); 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 6); 50 (, 1 to 6); 51 (, 1 to 6); 52 (, 1 to 6); 53 (, 1 to 6); 54 (, 1 to 4); 55 (, 1 to 6); 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
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CLOCKSS Archive
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Preserved
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2026-02-09
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31 to 56
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Portico
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Preserved
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2026-02-12
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Preserved : 2000: 31(1-6), 2001: 32(1-6), 2002: 33(1-6), 2003: 34(1-6), 2004: 35(1-6), 2005: 36(1-6), 2006: 37(1-6), 2007: 38(1-6), 2008: 39(1-6), 2009: 40(1-6), 2010: 41(1-6), 2011: 42(1-6), 2012: 43(1-6), 2013: 44(1-6), 2014: 45(1-6), 2015: 46(2-6), 2016: 47(1-6), 2017: 48(1-6), 2018: 49(1-6), 2019/2020: 50(1-6), 2020: 51(1-6), 2021: 52(1-6), 2022: 53(1-6), 2023: 54(1, S 1, 2-6), 2024: 55(1-2), 2025: 56(1-4)
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LOCKSS Archive
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In Progress
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2026-02-09
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43, 50
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LOCKSS Archive
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Preserved
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2026-02-09
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44 to 49
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Library of Congress
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Preserved
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2025-04-07
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49 (1 to 6); 50 (1 to 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1, S1, 2 to 6); 55 (1, 2)
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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 6); 5 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (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 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 5); 55 (1 to 3)
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
|
|
|
Preserved : 4 (1 to 6); 5 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (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 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 5); 55 (1 to 3)
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National Digital Preservation Program, China
|
|
Preserved
|
2025-10-23
|
|
|
Preserved : 39 (1, 2); 41 (3 to 6); 42 (1 to 3)
|
|
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National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 39 (1, 2); 41 (3 to 6); 42 (1 to 3)
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National Library of the Netherlands
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Preserved
|
2024-12-15
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Preserved : 31 (6); 32 (1-6); 33 (1-6); 34 (1-6); 35 (1-6); 36 (1-6); 37 (1-6); 38 (1, 3-6); 39 (1-6); 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 (1-5); 49 (1-6); 50 (1-5)
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