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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 28 (5); 29 (, 1 to 12); 30 (, 1 to 12); 31 (, 1 to 11); 32 (, 1 to 10); 33 (, 1 to 10); 34 (, 1 to 10); 35 (, 1 to 10); 36 (, 1 to 10); 37 (, 1 to 10); 38 (, 1 to 10); 39 (, 1/2, 3/4, 5/6, 7, 8/9, 10); 40 (, 1/2, 3/4, 5/6, 7, 8/9, 10); 41 (, 1/2, 3/4, 5/6, 7, 8/9, 10); 42 (, 1, 3/4, 5/6, 7, 8/9, 10); 43 (, 1, 2, 3/4, 5/6, 7, 8/9, 10); 44 (, 1, 3/4, 5/6, 7, 8/9, 10); 45 (, 1, 3, 5/6, 7 to 10); 46 (, 1, 2, 3/4, 5 to 10); 47 (, 1 to 4, 5/6, 7 to 10); 48 (, 1 to 10); 49 (, 1 to 10); 50 (, 1 to 10); 51 (, 1 to 10); 52 (, 1 to 10); 53 (, 1 to 10); 54 (, 1 to 10); 55 (, 1 to 10); 56 (, 1 to 10); 57 (, 1 to 10); 58 (, 1 to 10); 59 (, 1 to 10); 60 (, 1, 3 to 10); 61 (, 1 to 5); 1992; 1993; 1994; 1995; 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; 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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25 to 43
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Portico
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Preserved
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2026-02-12
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Preserved : 2000: 36(1-10), 2001: 37(1-10), 2002: 38(1-10), 2003: 39(1-10), 2004: 40(1-10), 2005: 41(1-10), 2006: 42(1-10), 2007: 43(1-2, Special Issue 1, 2-10), 2007/2008: 44(1-2, Special Issue 1, 3-10)
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LOCKSS Archive
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Preserved
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2026-02-09
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36 to 44
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Portico
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Preserved
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2026-02-12
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Preserved : 1991: 27(1-12), 1992: 28(1-12), 1993: 29(1-12), 1994: 30(1-12), 1995: 31(1-11), 1996: 32(1-10), 1997: 33(1-10), 1998: 34(1-10), 1999: 35(1-10), 2000: 36(1-10), 2001: 37(1-10), 2002: 38(1-10), 2003: 39(1-10), 2004: 40(1-10), 2005: 41(1-10), 2006: 42(1-2, S 1, 3-10), 2007: 43(1, S 1, 2-10), 2008: 44(1-2, S 1, 3-10), 2009: 45(1-2, S 1, 3-10), 2010: 46(1, S 1, 2-10), 2011: 47(1, S 1, 2-10), 2012: 48(1-10), 2013: 49(1-10), 2014: 50(1-10), 2015: 51(1-10), 2016: 52(1, S 1, 2-10), 2017: 53(1-10), 2018: 54(1-10), 2019: 55(1-10), 2020: 56(1, S 1, 2-10), 2021: 57(1, S 1, 2-10), 2022: 58(1, S 1, 2-10), 2023: 59(1, S 1, 2-10), 2024: 60(1, S 1, 2-9), 2025: 61(1, S 1, 2-3, 5-8)
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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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LOCKSS Archive
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Preserved
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2026-02-09
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49 to 55
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Library of Congress
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Preserved
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2025-04-07
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54 (S1, 3 to 10); 55 (1, S1, 2 to 10); 56 (1, S1, 2 to 10); 57 (1, S1, 2 to 10); 58 (1, S1, 2 to 10); 59 (S1, 1 to 10); 60 (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, 3, 5, 7, 8); 5 (1 to 9); 6 (Suppl 1, 1 to 9); 33 (1 to 9); 34 (1 to 9); 35 (1 to 9); 36 (1 to 9); 37 (1 to 9); 38 (1 to 9); 39 (1, 3, 5, 7, 8); 41 (1, 3, 5, 7, 8); 42 (1, 3, 5, 7, 8); 43 (1 to 3, 5, 7, 8); 44 (1, 3, 5, 7, 8); 45 (1, 3, 5, 7 to 9); 46 (1 to 3, 5 to 9); 47 (1 to 5, 7 to 9); 48 (1 to 9); 49 (1 to 9); 51 (1 to 9); 52 (1 to 9); 53 (1 to 9); 54 (Suppl 1, 1 to 9); 55 (Suppl 1, 1 to 9); 56 (Suppl 1, 1 to 9); 57 (Suppl 1, 1 to 9); 58 (Suppl 1, 1 to 9); 59 (Suppl 1, 1 to 9)
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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, 3, 5, 7, 8); 5 (1 to 9); 6 (Suppl 1, 1 to 9); 33 (1 to 9); 34 (1 to 9); 35 (1 to 9); 36 (1 to 9); 37 (1 to 9); 38 (1 to 9); 39 (1, 3, 5, 7, 8); 41 (1, 3, 5, 7, 8); 42 (1, 3, 5, 7, 8); 43 (1 to 3, 5, 7, 8); 44 (1, 3, 5, 7, 8); 45 (1, 3, 5, 7 to 9); 46 (1 to 3, 5 to 9); 47 (1 to 5, 7 to 9); 48 (1 to 9); 49 (1 to 9); 51 (1 to 9); 52 (1 to 9); 53 (1 to 9); 54 (Suppl 1, 1 to 9); 55 (Suppl 1, 1 to 9); 56 (Suppl 1, 1 to 9); 57 (Suppl 1, 1 to 9); 58 (Suppl 1, 1 to 9); 59 (Suppl 1, 1 to 9)
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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 : 6 (1); 33 (2-10); 34 (1-3, 5-10); 35 (1-10); 36 (7); 37 (1-3, 8, 9); 38 (6, 9); 39 (3-4, 7); 40 (10); 41; 42 (supplement-1, 1-2, 7); 43 (1, 2, 3-4, 5-6, 7, 8-9, 10); 44 (1-2, 3-4, 5-6, 7, 8-9, 10); 45 (supplement-1, 1-2, 3-4, 5-6, 7-10); 46 (supplement-1, 1, 2, 3-4, 5-10); 47 (supplement-1, 1, 3, 4, 5-6, 7-10); 48 (supplement-1, 1-10); 49 (supplement-1, 1-7, 9, 10); 50 (supplement-1, 1-10); 51 (supplement-1, 1-10); 52 (supplement-1, 1-10); 53 (supplement-1, 1-10); 54 (supplement-1, 1-10); 55 (supplement-1, 1-4, 6-9)
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