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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 25 (4 to 6); 26 (, 1 to 12); 27 (, 1 to 12); 28 (, 1 to 12); 29 (, 1 to 13); 30 (, 1 to 12); 31 (, 1 to 12); 32 (, 1 to 6, 8, 11, 12); 33 (, 1 to 12); 34 (, 1 to 12); 35 (, 1 to 12); 36 (, 1 to 12); 37 (, 1 to 12); 38 (, 1 to 8, 10 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 7, 10 to 12); 48 (, 2, 8 to 12); 49 (, 3 to 8, 10 to 12); 50 (, 1 to 6, 8, 9, 12); 51 (, 1, 3); 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022
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Portico
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Preserved
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2026-02-12
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Preserved : 1996: 25(4-6), 1997: 26(1-12), 1998: 27(1-12), 1999: 28(1-12), 2000: 29(1-12), 2001: 30(1-12), 2002: 31(1-12), 2003: 32(1-12), 2004: 33(1-12), 2005: 34(1-12), 2006: 35(1-12), 2007: 36(1-12), 2008: 37(1-12), 2009: 38(1-12), 2010: 39(1-12), 2011: 40(1-12), 2012: 41(1-12), 2013: 42(1-12), 2014: 43(1-12), 2015: 44(1-12), 2016: 45(1-12), 2017: 46(1-12), 2018: 47(1-12), 2019: 48(1-12), 2020: 49(1-12), 2021: 50(1, S 1, 2-9, 11-12), 2022: 51(1-5)
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CLOCKSS Archive
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Preserved
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2026-02-09
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26 to 51
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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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National Library of the Netherlands
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Preserved
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2024-12-15
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Preserved : 25 (4-6); 26 (1-12); 27 (1-12); 28 (1-12); 29 (1-12); 30 (1-12); 31 (1-12); 32 (1-12); 33 (1-12); 34 (1-12); 35 (1-9, 11, 12); 36 (1, 2, 4-12); 37 (1-12); 38 (1-8, 10-12); 39 (1-12); 40 (1-12); 41 (1-12); 42 (1, 2, 4-12); 43 (supplement-1, 1-12); 44 (supplement-1, 1-12); 45 (supplement-1, 1-12); 46 (1-12); 47 (1-12); 48 (1-4, 6-11)
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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 (Suppl 1, 1 to 9, 11, 12); 26 (1 to 9, 11, 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); 51 (1 to 9, 11, 12); 52 (1 to 9, 11, 12); 53 (Suppl 1, 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 (Suppl 1, 1 to 9, 11, 12); 26 (1 to 9, 11, 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); 51 (1 to 9, 11, 12); 52 (1 to 9, 11, 12); 53 (Suppl 1, 1 to 9, 11, 12)
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