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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 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 14); 66 (, 1 to 14); 67 (, 1 to 14); 68 (, 1 to 14); 69 (, 1 to 14); 70 (, 1 to 14); 71 (, 1 to 14); 72 (, 1 to 14); 73 (, 1 to 14); 74 (, 1 to 14); 75 (, 1 to 14); 76 (, 1 to 14); 77 (, 1 to 14); 78 (, 1 to 14); 79 (, 1 to 14); 80 (, 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; 2025
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Internet Archive
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Preserved
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2025-08-08
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7 to 37
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Portico
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Preserved
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2026-02-12
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Preserved : 2000: 55(1-11)
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CLOCKSS Archive
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Preserved
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2026-02-09
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55 to 80
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Portico
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Preserved
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2026-02-12
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Preserved : 2005: 60(11), 2006: 61(1, 4-5, 7)
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Portico
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Preserved
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2026-02-12
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Preserved : 2008: 63(5)
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LOCKSS Archive
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In Progress
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2026-02-09
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67, 74
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Portico
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Preserved
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2026-02-12
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Preserved : 2012: 67(7-8, 14), 2013: 68(1-10, 12-14), 2014: 69(1-12), 2015: 70(3-14), 2016: 71(1-14), 2017: 72(1-14), 2018: 73(1-14), 2019: 74(1-14), 2020: 75(1-14), 2021: 76(1-14), 2022: 77(1-14), 2023: 78(1, S 1, 2-14), 2024: 79(1-12, 14), 2025: 80(1-13)
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LOCKSS Archive
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Preserved
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2026-02-09
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68 to 73
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Library of Congress
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Preserved
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2025-04-07
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72 (13, 14); 73 (1 to 14); 74 (1, S1, S2, 2 to 14); 75 (1 to 14); 76 (1 to 8, 10 to 14); 77 (1 to 14); 78 (S1, 1 to 14); 79 (1 to 9)
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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 : 6 (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 to 14); 66 (1 to 9, 11 to 13)
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National Digital Preservation Program, China
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Preserved
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2025-12-04
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|
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Preserved : 6 (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 to 14); 66 (1 to 9, 11 to 13)
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National Digital Preservation Program, China
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Preserved
|
2025-10-23
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Preserved : 6 (1 to 9, 11, 12); 7 (1 to 9, 11 to 14); 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 to 14); 66 (1 to 9, 11 to 14); 67 (1 to 9, 11 to 14); 68 (1 to 9, 11 to 14); 69 (1 to 9, 11 to 14); 71 (1 to 9, 11 to 14); 72 (1 to 9, 11 to 14); 73 (1 to 9, 11 to 14); 74 (Suppl 1, 1 to 9, 11 to 14); 75 (1 to 9, 11 to 14); 76 (1 to 9, 11 to 14); 77 (1 to 9, 11 to 14); 78 (1 to 9, 11); 79 (1 to 9, 11 to 13)
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
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|
|
Preserved : 6 (1 to 9, 11, 12); 7 (1 to 9, 11 to 14); 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 to 14); 66 (1 to 9, 11 to 14); 67 (1 to 9, 11 to 14); 68 (1 to 9, 11 to 14); 69 (1 to 9, 11 to 14); 71 (1 to 9, 11 to 14); 72 (1 to 9, 11 to 14); 73 (1 to 9, 11 to 14); 74 (Suppl 1, 1 to 9, 11 to 14); 75 (1 to 9, 11 to 14); 76 (1 to 9, 11 to 14); 77 (1 to 9, 11 to 14); 78 (1 to 9, 11); 79 (1 to 9, 11 to 13)
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National Library of the Netherlands
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Preserved
|
2024-12-15
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Preserved : 55 (12); 56 (1-12); 57 (1-12); 58 (1-12); 59 (1-12); 60 (1, 2, 4-12); 61 (1-8); 62 (1, 2, 4, 6-10); 63 (1-12); 64 (1-12); 65 (1-14); 66 (1-14); 67 (1-14); 68 (1-14); 69 (1-14); 70 (1-14); 71 (1-14); 72 (1-14); 73 (1-14); 74 (supplement-1, 1-11)
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