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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 3); 2 (, 1 to 3); 3 (, 1 to 3); 4 (, 1 to 3); 5 (, 1 to 3); 6 (, 1 to 3); 7 (, 1 to 3); 8 (, 1 to 3); 9 (, 1 to 3); 10 (, 1 to 3); 11 (, 1 to 3); 16 (, 1 to 4); 17 (, 1 to 4); 18 (, 1 to 4); 19 (, 1 to 5); 20 (, 1 to 5); 21 (, 1 to 5); 22 (, 1 to 5); 23 (, 1 to 5); 24 (, 1 to 5); 25 (, 1 to 6); 26 (, 1 to 6); 27 (, 1 to 6); 28 (, 1 to 6); 29 (, 1 to 6); 30 (, 1 to 6); 31 (, 1 to 6); 32 (, 1 to 6); 33 (, 1 to 6); 34 (, 1 to 5); 35 (, 1, 2); 40 (, 1 to 3); 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2023
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Portico
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Preserved
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2026-02-12
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Preserved : 1994: 10(1-3), 1995: 11(1-3), 1996: 12(1-3), 1997: 13(1-3), 1998: 14(1-4), 1999: 15(1-4), 2000: 16(1-4), 2001: 17(1-4), 2002: 18(1-4), 2003: 19(1-5), 2004: 20(1-5), 2005: 21(1-5), 2006: 22(1-5), 2007: 23(1-5), 2007/2008: 24(1-5), 2008/2009: 25(1-6), 2009: 26(1-6), 2009/2010/2011: 27(1-6), 2010/2011/2012: 28(1-6), 2012/2013: 29(1-6), 2014: 30(1-6), 2015: 31(1-6), 2015/2016: 32(1-6), 2017: 33(1-6), 2018: 34(1-6), 2019: 35(1-6), 2020: 36(1-6), 2021: 37(1-6), 2022: 38(1-6), 2023: 39(1-6), 2024: 40(1-6), 2025: 41(1-6)
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LOCKSS Archive
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Preserved
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2026-02-09
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21 to 40
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CLOCKSS Archive
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Preserved
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2026-02-09
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24 to 31, 33
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CLOCKSS Archive
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In Progress
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2026-02-09
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32, 34 to 41
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LOCKSS Archive
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In Progress
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2026-02-09
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41
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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 : 3 (1 to 6); 4 (1 to 6); 22 (1 to 5); 23 (1 to 5); 24 (1 to 5); 25 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 6); 36 (1 to 5); 37 (1 to 6); 38 (1 to 6); 39 (3 to 6); 41 (1 to 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 : 3 (1 to 6); 4 (1 to 6); 22 (1 to 5); 23 (1 to 5); 24 (1 to 5); 25 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 6); 36 (1 to 5); 37 (1 to 6); 38 (1 to 6); 39 (3 to 6); 41 (1 to 5)
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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 (3); 2; 3; 4 (2); 5 (3); 7; 9 (1-3); 11 (2, 3)
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