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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 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 8); 45 (, 1 to 6); 46 (, 1 to 6); 47 (, 1 to 6); 48 (, 1 to 6); 49 (, 1 to 12); 50 (, 1 to 8); 51 (, 1 to 8); 52 (, 1 to 8); 53 (, 1 to 8); 54 (, 1 to 3); 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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36 to 54
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Portico
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Preserved
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2026-02-12
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Preserved : 2007: 36(1-6), 2008: 37(1-6), 2009: 38(1-6), 2010: 39(1-6), 2011: 40(1-6), 2012: 41(1-6), 2013: 42(1-3, 5-6), 2014: 43(1-4, 6), 2015: 44(1-8), 2016: 45(1-6), 2017: 46(1-6), 2018: 47(1-6), 2019: 48(1-6), 2020: 49(1-12), 2021: 50(1, S 1, 2-8), 2022: 51(1-7), 2023: 52(1, S 1, 2, S 2, 3-8), 2024: 53(1, S 1, 2, S 2, 3-5, 8), 2025: 54(S 1, 2, S 2, 3-8)
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LOCKSS Archive
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In Progress
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2026-02-09
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41, 48
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LOCKSS Archive
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Preserved
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2026-02-09
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42 to 47
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Library of Congress
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Preserved
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2025-04-07
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46 (6); 47 (1 to 6); 48 (1 to 6); 49 (1 to 12); 50 (1, S1, 2 to 8); 51 (1, S1, 2 to 8); 52 (1, S1, S2, 2 to 8); 53 (1 to 5)
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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 : 4 (2 to 6); 5 (Suppl 1, 1 to 8); 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 8); 45 (1 to 6); 46 (1 to 6); 47 (1 to 6); 48 (1 to 6); 49 (1 to 9, 11, 12); 51 (Suppl 1, 1 to 8); 52 (1 to 8); 53 (Suppl 2, 1 to 8)
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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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Preserved : 4 (2 to 6); 5 (Suppl 1, 1 to 8); 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 8); 45 (1 to 6); 46 (1 to 6); 47 (1 to 6); 48 (1 to 6); 49 (1 to 9, 11, 12); 51 (Suppl 1, 1 to 8); 52 (1 to 8); 53 (Suppl 2, 1 to 8)
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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 : 4 (1 to 3); 39 (2 to 6)
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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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Preserved : 4 (1 to 3); 39 (2 to 6)
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National Library of the Netherlands
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Preserved
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2024-12-15
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Preserved : 36 (2-6); 37 (1-6); 38 (1-6); 39 (1-6); 40 (1-6); 41 (1-6); 42 (1-6); 43 (1-6); 44 (1-8); 45 (1-6); 46 (1-6); 47 (1-6); 48 (1-5); 471 (10)
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