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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 13 (1 to 6); 14 (, 1 to 6); 15 (, 1 to 6); 16 (, 1 to 6); 17 (, 1 to 6); 18 (, 1 to 6); 19 (, 1 to 6); 20 (, 1 to 6); 21 (, 1 to 12); 22 (, 1 to 12); 23 (, 1 to 12); 24 (, 1 to 12); 25 (, 1 to 12); 26 (, 1 to 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, 2, 4 to 12); 45 (, 1 to 7); 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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LOCKSS Archive
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In Progress
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2026-02-09
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1 to 40
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Portico
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Preserved
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2026-02-12
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Preserved : 1990: 2(3, S 4)
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Portico
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Preserved
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2026-02-12
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Preserved : 1991: 3(2, S 3)
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Portico
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Preserved
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2026-02-12
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Preserved : 1992: 4(1, S 1, S 2, S 4)
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Portico
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Preserved
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2026-02-12
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Preserved : 1993: 5(4), 1993: 6(S 1, 2, 5), 1994: 7(5-6), 1994: 8(S 1, 5), 1995: 9(S 3), 1995: 10(S 2, 3, 6), 1996: 11(S 2), 1997: 13(1, S 1, 2-6), 1997: 14(1-6), 1998: 15(1, S 1, 2-6), 1998: 16(1-6), 1999: 17(1-6), 1999: 18(1-6), 2000/2012: 19(1, S 1, 2-6), 2000: 20(1-6), 2001: 21(1-12), 2002/2012: 22(1, S 1, 2-12), 2003: 23(1-12), 2004: 24(1-12), 2005: 25(1-12), 2006: 26(1-12), 2007: 27(1-12), 2008: 28(1-12), 2009/2012: 29(1, S 1, 2-12), 2010/2012: 30(1, S 1, 2-12), 2011: 31(1-12), 2012: 32(1, S 1, 2-12), 2013: 33(1-12), 2014: 34(1-12), 2015: 35(1-12), 2016: 36(1-12), 2017: 37(1-12), 2018: 38(1-12), 2019: 39(1-12), 2019/2020: 40(1-12), 2021: 41(1-12), 2022: 42(1, S 1, 2-12), 2023: 43(S 1, 2-12), 2024: 44(1-12), 2025: 45(1-12), 2026: 46(1-2)
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CLOCKSS Archive
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Preserved
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2026-02-09
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13 to 46
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Library of Congress
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Preserved
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2025-04-07
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37 (12); 38 (2 to 12); 39 (1 to 12); 40 (1 to 12); 41 (1 to 12); 42 (S1, 1 to 12); 43 (S1, 1 to 12); 44 (1 to 10); 45 (1)
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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 : 44 (2 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 : 44 (2 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 : 13 (6); 14 (1); 23; 25 (8); 26 (11); 27 (supplement-1); 29 (7, 12); 30 (7, 12); 31 (3, 8); 32 (supplement-1, 1-12); 33 (supplement-1, 1-12); 34 (1-12); 35 (1-12); 36 (1-12); 37 (1-12); 38 (1-12); 39 (1-7, 9-12)
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