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