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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 8 (1 to 3); 9 (, 1 to 3); 10 (, 1 to 3); 11 (, 1, 2); 12 (, 1 to 3); 13 (, 1-2, 3); 14 (, 1 to 3); 15 (, 1-2, 3); 16 (, 1 to 3); 17 (, 1-2, 3); 18 (, 1, 2-3); 19 (, 1 to 4); 20 (, 1 to 3); 21 (, 1, 2-3); 22 (, 1, 2-3); 23 (, 1 to 3); 24 (, 1 to 3); 25 (, 1, 2-3); 26 (, 1 to 3); 27 (, 1 to 3); 28 (, 1 to 3); 29 (, 1 to 4); 30 (, 1 to 4); 31 (, 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 5); 40 (, 1 to 5); 41 (, 2 to 5); 42 (, 1 to 5); 43 (, 1 to 5); 44 (, 1 to 5); 45 (, 1 to 5); 46 (, 1 to 4); 47 (, 1 to 5); 48 (, 1 to 3); 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 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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Preserved
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2026-02-09
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5 to 47
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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, 5 to 48
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LOCKSS Archive
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In Progress
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2026-02-09
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48
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Portico
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Preserved
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2026-02-12
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Preserved : 1982: 5(1-2), 1983: 6(1-2), 1984: 7(1-2), 1985: 8(1-2), 1986: 9(1-2), 1987: 10(1-2), 1988: 11(1-2), 1989: 12(1-2), 1990: 13(3), 1991: 14(1-3), 1992: 15(1-3), 1993: 16(1-3), 1994: 17(1-3), 1995: 18(1-3), 1996: 19(1-4), 1997: 20(1-3), 1998: 21(1-3), 1999: 22(1-3), 2000: 23(1-3), 2001: 24(1-3), 1999/2002: 25(1-3), 2003: 26(1-3), 2004: 27(1-3), 2005: 28(1-3), 2006: 29(1-4), 2007: 30(1-4), 2008: 31(1-4), 2009: 32(1-4), 2010: 33(1-4), 2011: 34(1-4), 2012: 35(1-4), 2013: 36(1-4), 2014: 37(1-4), 2015: 38(1-4), 2016: 39(1-5), 2017: 40(1-5), 2018: 41(1-5), 2019: 42(1-5), 2020: 43(1-5), 2021: 44(1-5), 2022: 45(1-5), 2023: 46(1-5), 2024: 47(1-5), 2025: 48(1-5), 2026: 49(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 : 2 (1 to 3); 3 (1 to 4); 4 (1 to 5); 21 (1, 2-3); 22 (1, 2-3); 23 (1 to 3); 24 (1 to 3); 25 (1, 2-3); 26 (1 to 3); 27 (1 to 3); 28 (1 to 3); 29 (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 5); 41 (1 to 5); 42 (1 to 5); 43 (1 to 5); 44 (1 to 5); 45 (1 to 5); 46 (1 to 5); 47 (1 to 5); 48 (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); 2 (1-2, 3, 4); 3 (1-4); 4 (1-2, 3, 4); 5 (1-2, 3); 6 (1-3); 7 (1-3); 8 (1-3); 9 (1-3); 10 (1-3); 11 (1, 2); 12 (1-3); 13 (1-2, 3); 14 (1-3); 15 (1-2, 3); 16 (1-3); 17 (1-2, 3); 18 (1, 2-3); 19 (1-4); 20 (1-3); 21 (1, 2-3); 22 (1, 2-3); 23 (1-3); 24 (1-3); 25 (1, 2-3); 26 (1-3); 27 (1-3); 28 (1-3); 29 (1-4); 30 (1-4); 31 (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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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 5); 40 (1 to 5); 41 (1 to 5); 42 (1, 3 to 5); 43 (1 to 5); 44 (1 to 5); 45 (1 to 5); 46 (1 to 5); 47 (1 to 4)
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