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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 26 (12); 27 (1 to 12); 28 (1 to 12); 29 (1 to 12); 30 (1 to 12); 31 (1 to 12); 32 (1 to 12); 33 (1 to 12); 34 (1 to 12); 35 (1 to 12); 36 (1 to 12); 37 (1 to 12); 38 (1 to 12); 39 (1 to 12); 40 (1 to 12); 41 (1 to 12); 42 (1 to 12); 43 (1 to 12); 44 (1 to 12); 45 (1 to 12); 46 (1 to 12); 47 (1 to 8, 10 to 12); 48 (1 to 12); 49 (1 to 12); 50 (1 to 12); 51 (1 to 10)
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CLOCKSS Archive
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Preserved
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2026-04-13
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26 to 51
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Portico
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Preserved
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2026-04-16
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Preserved : 2000: 26(12), 2001: 27(1-12), 2002: 28(1-12), 2003: 29(1-12), 2004: 30(1-12), 2005: 31(1-12), 2006: 32(1-12), 2007: 33(1-12), 2008: 34(1-12), 2009: 35(1-12), 2010: 36(1-12), 2011: 37(1-12), 2012: 38(1-10, 12), 2013: 39(1-7, 9-12), 2014: 40(1-12), 2015: 41(3-12), 2016: 42(1-12), 2017: 43(1-12), 2018: 44(1-12), 2019/2020: 45(1-12), 2020: 46(1-12), 2021: 47(1-12), 2022: 48(1-7, 9-12), 2023: 49(1, S 1, 2, S 2, 3-12), 2024: 50(1-8, 10-12), 2025: 51(1-12)
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LOCKSS Archive
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In Progress
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2026-04-13
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38, 45
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LOCKSS Archive
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Preserved
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2026-04-13
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39 to 44
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Library of Congress
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Preserved
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2025-04-07
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44 (1 to 12); 45 (1 to 12); 46 (1 to 12); 47 (1 to 8, 10 to 12); 48 (1 to 12); 49 (S1, 1, 2, S2, 3 to 12); 50 (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 : 3 (1 to 9, 11, 12); 4 (1 to 9, 11, 12); 5 (1 to 9, 11); 26 (12); 27 (1 to 9, 11, 12); 28 (1 to 9, 11, 12); 29 (1 to 9, 11, 12); 31 (1 to 9, 11, 12); 32 (1 to 9, 11, 12); 33 (1 to 9, 11, 12); 34 (1 to 9, 11, 12); 35 (1 to 9, 11, 12); 36 (1 to 9, 11, 12); 37 (1 to 9, 11, 12); 38 (1 to 9, 11, 12); 39 (1 to 9, 11, 12); 41 (1 to 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)
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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 : 3 (1 to 9, 11, 12); 4 (1 to 9, 11, 12); 5 (1 to 9, 11); 26 (12); 27 (1 to 9, 11, 12); 28 (1 to 9, 11, 12); 29 (1 to 9, 11, 12); 31 (1 to 9, 11, 12); 32 (1 to 9, 11, 12); 33 (1 to 9, 11, 12); 34 (1 to 9, 11, 12); 35 (1 to 9, 11, 12); 36 (1 to 9, 11, 12); 37 (1 to 9, 11, 12); 38 (1 to 9, 11, 12); 39 (1 to 9, 11, 12); 41 (1 to 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)
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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 : 34 (1 to 3); 36 (1, 4 to 9, 11, 12); 37 (1 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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|
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Preserved : 34 (1 to 3); 36 (1, 4 to 9, 11, 12); 37 (1 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 : 23 (C); 26 (12); 27 (1-12); 28 (1-12); 29 (1-12); 30 (1-12); 31 (1-12); 32 (1-9, 12); 33 (1-3, 5-12); 34 (1-12); 35 (1-12); 36 (1-12); 37 (1-12); 38 (1-9, 11, 12); 39 (1-12); 40 (1-12); 41 (1-12); 42 (1-12); 43 (1-12); 44 (1-12); 45 (1-11)
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