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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 1 (1 to 4, 5-6); 2 (, 1 to 4, 5-6); 3 (, 1-6); 4 (, 1-6); 5 (, 1-6); 6 (, 1 to 6); 7 (, 1-6); 8 (, 1-3, 4, 5-6); 9 (, 1-6); 10 (, 1-2, 3, 4, 5-6); 11 (, 1-3, 4 to 6); 12 (, 1 to 3, 4-6); 13 (, 1-3, 4 to 6); 14 (, 1-3, 4-6); 15 (, 1 to 6); 16 (, 1 to 4, 5-6); 17 (, 1, 2, 3-6); 18 (, 1-6); 19 (, 1-6); 20 (, 1-6); 21 (, 1, 2, 3-4, 5, 6); 22 (, 1, 2, 3-4); 23 (, 1-2, 3); 24 (, 4); 28 (, 1 to 4); 29 (, 1 to 4); 30 (, 1 to 4); 31 (, 1 to 4); 32 (, 3, 4); 33 (, 1 to 4); 34 (, 1 to 4); 35 (, 1, 2, 4); 36 (, 1 to 4); 37 (, 1 to 4); 38 (, 1 to 4); 39 (, 1 to 4); 40 (, 1 to 4); 41 (, 1 to 4); 42 (, 1 to 4); 43 (, 1 to 4); 44 (, 1 to 4); 45 (, 1 to 3); 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 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 to 45
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 44
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CLOCKSS Archive
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Preserved
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2026-02-09
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28 to 37
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LOCKSS Archive
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In Progress
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2026-02-09
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45
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Portico
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Preserved
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2026-02-12
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Preserved : 1989/1990: 2(1-6), 1990: 3(1-6), 1990/1991: 6(1-6), 1991: 7(1-6), 1992: 8(4-6), 1992: 10(3-4), 1993/1994: 11(4-6), 1994: 12(1-3), 1994/1995: 13(1-6), 1996/1997: 15(1-6), 1998/1999/2000: 16(1-6), 2000: 17(1-6), 2000: 18(1-6), 2000: 19(1-6), 2001: 20(1-6), 2001: 21(1-6), 2002: 22(1-4), 2003: 23(1-4), 2004: 24(1-4), 2005: 25(1-4), 2006: 26(1-4), 2007: 27(1-4), 2008: 28(1-4), 2009: 29(1-4), 2010: 30(1-4), 2011: 31(1-4), 2012: 32(1-4), 2013: 33(1-4), 2014: 34(1-4), 2015: 35(1-4), 2016: 36(1-4), 2017: 37(1-4), 2018: 38(1-4), 2019: 39(1-4), 2020: 40(1-4), 2021: 41(1-4), 2022: 42(1-4), 2023: 43(1-4), 2024: 44(1-4), 2025: 45(1-4)
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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 : 37; 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1)
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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 (1-4, 5-6); 2 (1-4, 5-6); 3 (1-6); 4; 5; 6 (2-6); 7 (1-6); 8 (4, 5-6); 9 (1-6); 10 (3, 4, 5-6); 11 (1-3, 4-6); 12 (1-3, 4-6); 13 (1-3, 4-6); 14 (1-3, 4-6); 15 (1-6); 16 (1-4, 5-6); 17 (1, 2, 3-6); 18 (1-6); 19; 20; 21 (2, 3-4, 5, 6); 22 (1, 2, 3-4); 23 (1-2, 3, 4); 24 (1-4); 25 (1); 26 (2-4); 27 (1-4); 28 (1-4)
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Library of Congress
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Preserved
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2025-04-07
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30 (1 to 4); 31 (1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (1 to 4); 38 (1 to 4); 39 (1 to 3); 40 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4)
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