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