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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); 2 (, 1 to 4); 3 (, 1-2, 3, 4); 4 (, 1-2, 3, 4); 5 (, 1 to 4); 6 (, 1 to 4); 7 (, 1 to 4); 8 (, 1 to 4); 9 (, 1 to 4); 10 (, 1 to 4); 11 (, 1 to 4); 12 (, 1 to 4); 13 (, 1 to 4); 14 (, 1 to 4); 15 (, 1 to 4); 16 (, 1 to 4); 17 (, 1 to 4); 18 (, 1 to 4); 19 (, 1, 2-3, 4); 20 (, 1 to 4); 21 (, 1-2, 3, 4); 22 (, 1-2, 3, 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 (, 1-2, 3, 4, 5-6); 31 (, 1, 2, 3-4, 5, 6); 32 (, 1 to 6); 33 (, 1 to 6); 34 (, 1 to 6); 35 (, 1 to 6); 36 (, 1 to 6); 37 (, 1 to 6); 38 (, 1 to 6); 39 (, 1 to 6); 40 (, 1 to 6); 41 (, 1 to 6); 42 (, 1 to 6); 43 (, 1 to 6); 44 (, 1 to 8); 45 (, 1 to 8); 46 (, 1 to 8); 47 (, 1 to 8); 48 (, 1 to 8); 49 (, 1 to 8); 50 (, 1 to 8); 51 (, 1 to 8); 52 (, 1 to 8); 53 (, 1 to 8); 54 (, 1 to 8); 55 (, 2, 5, 7, 8); 56 (, 1 to 8); 57 (, 1 to 6, 8); 58 (, 1 to 8); 59 (, 1 to 8); 60 (, 1 to 8); 61 (, 1 to 6); 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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Internet Archive
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Preserved
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2025-08-08
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2 to 42
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 31, 33 to 62
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Portico
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Preserved
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2026-02-12
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Preserved : 1985: 1(1-4), 1986: 2(1-4), 1987: 3(1-4), 1987: 4(1-4), 1987/1988: 5(1-4), 1988: 6(1-4), 1988/1989: 7(1-4), 1989: 8(1-4), 1990: 9(1-4), 1990/1991: 10(1-4), 1991: 11(1-4), 1991/1992: 12(1-4), 1992: 13(1-4), 1992: 14(1-4), 1993: 15(1-4), 1993: 16(1-4), 1994: 17(1-4), 1994: 18(1-4), 1995: 19(1-4), 1995: 20(1-4), 1996: 21(1-4), 1996: 22(1-4), 1996: 23(1-4), 1997: 24(1-4), 1997: 25(1-4), 1997/1998: 26(1-4), 1998: 27(1-4), 1998/1999: 28(1-4), 1999: 29(1-4), 1999/2000: 30(1-6), 2000: 31(1-6), 2000: 32(1-6), 2001: 33(1-6), 2001: 34(1-6), 2002: 35(1-6), 2002: 36(1-6), 2003: 37(1-6), 2003: 38(1-6), 2003/2004: 39(1-6), 2004: 40(1-6), 2005: 41(1-6), 2005/2006: 42(1-6), 2006/2007: 43(1-6), 2007/2008: 44(1-8), 2008/2009: 45(1-8), 2009/2010: 46(1-8), 2011: 47(1-8), 2012: 48(1-8), 2013: 49(1-5, 7-8), 2014: 50(1-8), 2015: 51(3-8), 2016: 52(1-8), 2017: 53(1-8), 2018: 54(1-8), 2019: 55(1-8), 2019/2020: 56(1-8), 2021: 57(1-8), 2022: 58(1-8), 2023: 59(1-8), 2024: 60(1-8), 2025: 61(1-8), 2026: 62(1-2)
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LOCKSS Archive
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In Progress
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2026-02-09
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31 to 44, 55
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LOCKSS Archive
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Preserved
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2026-02-09
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45 to 54
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Library of Congress
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Preserved
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2025-04-07
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54 (3 to 8); 55 (1 to 8); 56 (1 to 8); 57 (1 to 6, 8); 58 (1 to 8); 59 (1 to 8); 60 (1 to 4, 6, 8)
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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, 3 to 5); 4 (1 to 6); 5 (1 to 8); 6 (1 to 8); 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 3, 5, 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 41 (1 to 6); 42 (1 to 6); 43 (1 to 6); 44 (1 to 8); 45 (1 to 8); 46 (1 to 8); 47 (1 to 8); 48 (1 to 8); 49 (1 to 8); 51 (1 to 8); 52 (1 to 8); 53 (1 to 8); 54 (1 to 8); 55 (1 to 8); 56 (1 to 8); 57 (1 to 8); 58 (1 to 8); 59 (1 to 8)
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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, 3 to 5); 4 (1 to 6); 5 (1 to 8); 6 (1 to 8); 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 3, 5, 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 41 (1 to 6); 42 (1 to 6); 43 (1 to 6); 44 (1 to 8); 45 (1 to 8); 46 (1 to 8); 47 (1 to 8); 48 (1 to 8); 49 (1 to 8); 51 (1 to 8); 52 (1 to 8); 53 (1 to 8); 54 (1 to 8); 55 (1 to 8); 56 (1 to 8); 57 (1 to 8); 58 (1 to 8); 59 (1 to 8)
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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 : 24 (2-4); 25 (1-4); 26 (1-4); 27 (1-4); 28 (1-4); 29 (1-4); 30 (1-2, 3, 4, 5-6); 31 (1, 2, 3-4, 5, 6); 32 (1-6); 33 (1-6); 34 (1-6); 35 (1-6); 36 (1-6); 37 (1-6); 38 (1-6); 39 (1-6); 40 (1-6); 41 (1-6); 42 (1-6); 43 (1-6); 44 (1-8); 45 (1-8); 46 (1-8); 47 (1-8); 48 (1-8); 49 (1-8); 50 (1-8); 51 (1-8); 52 (1-8); 53 (1-8); 54 (1-8); 55 (1-8)
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