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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 29 (2 to 6); 30 (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); 40 (1 to 8); 41 (1 to 8); 42 (1 to 8); 43 (1 to 8); 44 (1 to 8); 45 (1 to 7, 8-9); 46 (1 to 8); 47 (1 to 8); 48 (1 to 8); 49 (1 to 8); 50 (1 to 4, 6 to 8); 51 (1 to 8); 52 (Suppl, 1 to 7); 53 (Suppl, 1 to 8); 54 (1 to 7)
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CLOCKSS Archive
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Preserved
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2026-04-06
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29 to 54
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Portico
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Preserved
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2026-04-09
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Preserved : 2000: 29(2-6), 2001: 30(1-6), 2001/2002: 31(1-6), 2003: 32(1-6), 2004: 33(1-6), 2005: 34(1-6), 2006: 35(1-6), 2007: 36(1-6), 2008: 37(1-6), 2009: 38(1-6), 2010: 39(1-6), 2011: 40(1-8), 2012: 41(1-5, 8), 2013: 42(1-8), 2014: 43(1-8), 2015: 44(2-8), 2016: 45(1-9), 2017: 46(1-8), 2018: 47(1-8), 2019/2020: 48(1-8), 2020: 49(1-8), 2021: 50(1-8), 2022: 51(1-5, 8), 2023: 52(1, S 1, 2-8), 2024: 53(1, S 1, 2-4, 6-8), 2025: 54(1-8)
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LOCKSS Archive
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In Progress
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2026-04-06
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41, 48
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LOCKSS Archive
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Preserved
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2026-04-06
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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 to 8); 47 (1 to 8); 48 (1 to 8); 49 (1 to 8); 50 (1 to 8); 51 (1 to 8); 52 (1, S1, 2 to 8); 53 (1 to 4)
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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 6); 4 (1 to 8); 5 (1 to 8); 29 (2 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 8); 42 (1 to 8); 43 (1 to 8); 44 (1 to 8); 45 (1 to 7, 8-9); 46 (1 to 8); 47 (1 to 8); 48 (1 to 8); 49 (1 to 8); 51 (1 to 8); 52 (1 to 5); 53 (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 : 3 (1 to 6); 4 (1 to 8); 5 (1 to 8); 29 (2 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 8); 42 (1 to 8); 43 (1 to 8); 44 (1 to 8); 45 (1 to 7, 8-9); 46 (1 to 8); 47 (1 to 8); 48 (1 to 8); 49 (1 to 8); 51 (1 to 8); 52 (1 to 5); 53 (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); 37 (1, 2); 39 (3 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); 37 (1, 2); 39 (3 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 : 29 (6); 30 (1-6); 31 (1-6); 32 (1-6); 33 (1-6); 34 (3-6); 35 (1-4, 6); 36 (1-6); 37 (1-6); 38 (1-4, 6); 39 (1-6); 40 (1-8); 41 (1-8); 42 (1-8); 43 (1-8); 44 (1-8); 45 (1-7, 8-9); 46 (1-8); 47 (1-8); 48 (1-5)
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