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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 19 (1, 2); 20 (, 1, 2); 21 (, 1, 2); 22 (, 1/2); 23 (, 1, 2); 24 (, 1, 2); 25 (, 1, 2); 26 (, 1, 2); 27 (, 1, 2); 28 (, 1, 2); 29 (, 1, 2); 30 (, 1, 2); 31 (, 1, 2); 33 (, 1); 34 (, 1, 2); 35 (, 1 to 3); 36 (, 1 to 3); 37 (, 3); 38 (, 1 to 3); 39 (, 2, 3); 40 (, 1 to 4); 41 (, 1 to 4); 42 (, 1 to 4); 43 (, 1 to 4); 44 (, 1 to 4); 45 (, 2, 3, 5); 46 (, 1 to 5); 47 (, 1 to 5); 48 (, 1 to 5); 49 (, 1 to 5); 50 (, 1 to 5); 51 (, 1 to 5); 52 (, 1 to 3); 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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CLOCKSS Archive
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Preserved
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2026-02-09
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ahead-of-print, 19 to 52
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LOCKSS Archive
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Preserved
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2026-02-09
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19 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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52
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Portico
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Preserved
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2026-02-12
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Preserved : 1993: 20(1-2), 1994: 21(1-2), 1995: 22(1-2), 1996: 23(1-2), 1997: 24(1-2), 1998: 25(1-2), 1999: 26(1-2), 2000: 27(1-2), 2001: 28(1-2), 2002: 29(1-2), 2003: 30(1-2), 2004: 31(1-2), 2005: 32(1-2), 2006: 33(1-2), 2007: 34(1-3), 2008: 35(1-3), 2009: 36(1-3), 2010: 37(1-3), 2011: 38(1-3), 2012: 39(1-3), 2013: 40(1-4), 2014: 41(1-4), 2015: 42(1-4), 2016: 43(1-4), 2017: 44(1-4), 2018: 45(1-5), 2019: 46(1-5), 2020: 47(1-5), 2021: 48(1-5), 2022: 49(1-5), 2023: 50(1-5), 2024: 51(1-5), 2025: 52(1-5), 2026: 53(1)
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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, 2); 4 (1 to 4); 5 (1 to 4); 24 (1, 2); 25 (1, 2); 26 (1, 2); 27 (1, 2); 28 (1, 2); 29 (1, 2); 31 (1, 2); 32 (1, 2); 33 (1, 2); 34 (1 to 3); 35 (1 to 3); 36 (1 to 3); 37 (1 to 3); 38 (1 to 3); 39 (1 to 3); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 5); 46 (1 to 5); 47 (1 to 5); 48 (1 to 5); 49 (1 to 5); 51 (1 to 5); 52 (1, 2)
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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 : 1 (1, 2); 2 (1, 2); 3 (1, 2); 4 (1, 2); 5 (1, 2); 6 (1, 2); 7 (1, 2); 8 (1, 2); 9 (1, 2); 10 (1, 2); 11 (1, 2); 12 (1, 2); 13 (1, 2); 14 (1, 2); 15 (1-2); 16 (2); 17 (1, 2); 18 (1, 2); 19 (1, 2); 20 (1, 2); 21 (1, 2); 22 (1-2); 23 (2); 24 (1, 2); 25 (1, 2); 26 (1, 2); 27 (1, 2); 28 (1, 2); 29 (1, 2); 30 (1, 2); 31 (1, 2); 32 (1, 2); 33 (1, 2); 34 (1-3); 35 (1-3)
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Library of Congress
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Preserved
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2025-04-07
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37 (1 to 3); 38 (1 to 3); 39 (1 to 3); 40 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 5); 46 (1 to 5); 47 (1 to 5); 48 (1 to 5); 49 (1 to 5); 50 (1 to 5); 51 (1 to 4)
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