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Scholars Portal
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Preserved
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2025-09-02
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Preserved : sup 1 (40); 29 (, 1 to 4, 6 to 8); 30 (, 1 to 4, 6 to 8); 31 (, 1 to 7); 32 (, 1 to 8); 33 (, 1, 3, 4, 6 to 8); 34 (, 1 to 4, 6 to 8); 35 (, 1 to 8); 36 (, 1, 2, 4 to 8); 37 (, 1 to 7); 38 (, 1 to 8); 39 (, 1 to 4 to 6 to 8); 40 (, 1 to 8); 41 (, 1 to 8); 42 (, 1 to 8); 43 (, 1 to 8); 44 (, 1 to 8); 45 (, 1 to 8); 46 (, 1 to 8); 47 (, 1 to 8); 48 (, 1 to 12); 49 (, 1 to 12); 50 (, 1 to 12); 51 (, 1 to 12); 52 (, 1 to 12); 53 (, 1 to 12); 54 (, 1 to 8); 79 (, 1); 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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1 to 28
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LOCKSS Archive
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Preserved
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2026-02-09
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29 to 40
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Portico
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Preserved
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2026-02-12
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Preserved : 2010: 39(1-8), 2011: 40(1-8), 2012: 41(1-7), 2013: 42(1-6, 8), 2014: 43(1-6, 8), 2015: 44(2-8), 2016: 45(1-8), 2017: 46(1-8), 2018: 47(1-8), 2019: 48(1-12), 2019/2020: 49(1-12), 2021: 50(1-12), 2022: 51(1-12), 2023: 52(1-12), 2024: 53(1-12), 2025: 54(1-7, 9-12), 2026: 55(1)
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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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LOCKSS Archive
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In Progress
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2026-02-09
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48
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CLOCKSS Archive
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Preserved
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2026-02-09
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39 to 55
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Portico
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Preserved
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2026-02-12
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Preserved : 2000: 29(1-4, 6-8), 2001: 30(1-4, 6-8), 2002: 31(1-7), 2003: 32(1-8), 2004: 33(1, 3-4, 6-8, Special Issue 13), 2005: 34(1-4, 6-8), 2006: 35(1-8), 2007: 36(1-2, 4-8), 2008: 37(1-7, Special Issue 14), 2009: 38(1-8), 2010: 39(1-8), 2011: 40(1-8)
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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 (Suppl 1, 1 to 8); 5 (1 to 9, 11, 12); 41 (Suppl 3, 1 to 8); 42 (1 to 8); 43 (Suppl 1, 1 to 8); 44 (Suppl 3, 1 to 8); 45 (Suppl 3, 1 to 8); 46 (Suppl 3, 1 to 8); 47 (Suppl 1, 1 to 8); 48 (1 to 9, 11, 12); 49 (1 to 9, 11, 12); 51 (1 to 9, 11, 12); 52 (1 to 9, 11, 12); 53 (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 : 4 (Suppl 1, 1 to 8); 5 (1 to 9, 11, 12); 41 (Suppl 3, 1 to 8); 42 (1 to 8); 43 (Suppl 1, 1 to 8); 44 (Suppl 3, 1 to 8); 45 (Suppl 3, 1 to 8); 46 (Suppl 3, 1 to 8); 47 (Suppl 1, 1 to 8); 48 (1 to 9, 11, 12); 49 (1 to 9, 11, 12); 51 (1 to 9, 11, 12); 52 (1 to 9, 11, 12); 53 (1 to 9, 11, 12)
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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 : 39 (supplement-1, 1-4, 5-6, 7, 8); 40 (supplement-1, 1-8); 41 (supplement-1, 1-8); 42 (1-8); 43 (supplement-1, 1-8); 44 (supplement-1, 1-8); 45 (supplement-1, 1-8); 46 (supplement-1, 1-8); 47 (supplement-1, 1-8); 48 (1-11)
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Library of Congress
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Preserved
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2025-04-07
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46 (S3, 4); 47 (S2, 3 to 8); 48 (1 to 12); 49 (1 to 12); 50 (1 to 12); 51 (1 to 12); 52 (1 to 12); 53 (1 to 11); 54 (3)
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