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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 4); 12 (, 1); 13 (, 1 to 4); 14 (, 1 to 4); 15 (, 1 to 6); 16 (, 1 to 6); 17 (, 1 to 6); 18 (, 1, 2, 3-4, 5, 6); 19 (, 1 to 4); 20 (, 1 to 4); 21 (, 1 to 4); 22 (, 1 to 4); 23 (, 1 to 4); 24 (, 1 to 4); 25 (, 1 to 4); 26 (, 1 to 4); 27 (, 1 to 4); 28 (, 1 to 4); 29 (, 1 to 4); 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 4); 40 (, 1 to 4); 41 (, 1 to 4); 42 (, 1 to 4); 43 (, 1 to 4); 44 (, 1 to 4); 45 (, 1 to 4); 46 (, 1 to 4); 47 (, 1 to 4); 48 (, 1 to 4); 49 (, 1 to 4); 50 (, 1 to 4); 51 (, 1 to 4); 52 (, 1 to 4); 53 (, 1 to 4); 54 (, 1 to 4); 55 (, 1 to 4); 56 (, 1 to 4); 57 (, 1 to 4); 58 (, 1 to 4); 59 (, 1 to 4); 60 (, 1 to 4); 61 (, 1 to 4); 62 (, 1 to 4); 63 (, 1 to 4); 64 (, 1 to 4); 65 (, 1 to 4); 66 (, 1 to 4); 67 (, 1 to 4); 68 (, 1, 2); 1983; 1984; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 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 : 1983: 1(1-3), 1984: 2(1-3), 1985: 3(1-3), 1986: 4(1-3), 1987: 5(1-3), 1988: 6(1-3), 1989: 7(1-3), 1990: 8(1-3), 1991: 9(1-3), 1992: 10(1-3), 1993: 11(1-4), 1994: 12(1), 1995: 13(1-4), 1996: 14(1-4)
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 69
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Portico
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Preserved
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2026-02-12
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Preserved : 2001: 19(2)
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Portico
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Preserved
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2026-02-12
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Preserved : 2003: 23(2)
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Portico
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Preserved
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2026-02-12
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Preserved : 2004: 26(3)
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Portico
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Preserved
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2026-02-12
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Preserved : 2005: 28(4)
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Portico
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Preserved
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2026-02-12
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Preserved : 2007: 31(4), 2008: 33(3-4), 2008: 34(2, 4), 2009: 35(1-4), 2009: 36(1-4), 2010: 37(1-4), 2010: 38(1-4), 2011: 39(1-4), 2011: 40(1-4), 2012: 41(1-2), 2012: 42(1), 2013: 43(1-4), 2013: 44(1-4), 2014: 45(1-4), 2014: 46(1-4), 2015: 47(2-4), 2015: 48(1-4), 2016: 49(1-4), 2016: 50(1-4), 2017: 51(1-4), 2017: 52(1-4), 2018: 53(1-4), 2018: 54(1-4), 2019: 55(1-4), 2019: 56(1-4), 2019/2020: 57(1-4), 2020: 58(1-4), 2021: 59(1-4), 2021: 60(1-4), 2022: 61(1-4), 2022: 62(1-4), 2023: 63(1-4), 2023: 64(1-4), 2024: 65(1-4), 2024: 66(1-4), 2025: 67(1-4), 2025: 68(1-4), 2026: 69(1)
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LOCKSS Archive
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In Progress
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2026-02-09
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41, 42, 55, 56
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LOCKSS Archive
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Preserved
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2026-02-09
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43 to 54
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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 (1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 3, 5, 6); 19 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 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 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (1 to 4); 66 (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 : 2 (1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 3, 5, 6); 19 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 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 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (1 to 4); 66 (1 to 4)
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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 : 15 (1-6); 16 (1-6); 17 (1-6); 18 (1-3, 6); 19 (1-4); 20 (1-4); 21 (1-4); 22 (1-4); 23 (1-4); 24 (2-4); 25 (1, 3, 4); 26 (1, 3, 4); 27 (1-4); 28 (1-4); 29 (1-4); 30 (1-4); 31 (1, 2, 4); 32 (1-4); 33 (1-4); 34 (1-4); 35 (1-4); 36 (1-4); 37 (1-4); 38 (1-4); 39 (1-4); 40 (1-4); 41 (1-4); 42 (1-4); 43 (1-4); 44 (1-4); 45 (1-4); 46 (1-4); 47 (1-4); 48 (1-4); 49 (1-4); 50 (1-4); 51 (1-4); 52 (1-4); 53 (1-4); 54 (1-4); 55 (1-4); 56 (1-4)
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