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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 4); 5 (, 1 to 4); 6 (, 1 to 4); 7 (, 1 to 4); 8 (, 1 to 3); 9 (, 1 to 3); 10 (, 1 to 3); 11 (, 1 to 3); 12 (, 1 to 3); 13 (, 1-2, 3); 14 (, 1-2, 3); 15 (, 1 to 3); 16 (, 1, 2-3); 17 (, 1 to 3); 18 (, 1-2, 3); 19 (, 1-2, 3); 20 (, 1 to 3); 21 (, 1 to 3); 22 (, 1-2, 3); 23 (, 1-2, 3); 24 (, 1 to 3); 25 (, 1 to 3); 26 (, 1, 2-3); 27 (, 1 to 3); 28 (, 1 to 3); 29 (, 1 to 3); 30 (, 1-2, 3); 31 (, 1 to 3); 32 (, 1 to 3); 33 (, 1 to 3); 34 (, 1 to 3); 35 (, 1 to 3); 36 (, 1-3); 37 (, 1 to 3); 38 (, 1 to 3); 39 (, 1, 3); 40 (, 1-2, 3); 41 (, 1 to 3); 42 (, 1 to 3); 43 (, 1 to 3); 44 (, 1 to 3); 45 (, 1 to 3); 46 (, 1 to 3); 47 (, 1 to 3); 48 (, 1 to 3); 49 (, 1 to 3); 50 (, 1 to 3); 51 (, 1 to 3); 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, 2, 3-4); 63 (, 1, 2, 3-4); 64 (, 1 to 4); 65 (, 1 to 4); 66 (, 1 to 4); 67 (, 1 to 4); 68 (, 1 to 4); 69 (, 1 to 4); 70 (, 1 to 12); 71 (, 1 to 12); 72 (, 1 to 12); 73 (, 1, 2-3, 4-5, 6, 7-8, 9-10, 11-12); 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
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 76
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Portico
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Preserved
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2026-02-12
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Preserved : 1989: 1(1-3), 1990: 2(1-3), 1991/1992: 3(1-4), 1993: 4(1-4), 1994: 5(1-4), 1995: 6(1-4), 1996: 7(1-4), 1997: 8(1-3), 1997: 9(1-3), 1998: 10(1-3), 1998: 11(1-3), 1999: 12(1-3), 1999: 13(1-3), 2000: 14(1-3), 2000: 15(1-3), 2001: 16(1-3), 2001: 17(1-3), 2002: 18(1-3), 2002: 19(1-3), 2003: 20(1-3), 2003: 21(1-3), 2004: 22(1-3), 2004: 23(1-3), 2004: 24(1-3), 2005: 25(1-3), 2005: 26(1-3), 2005: 27(1-3), 2006: 28(1-3), 2006: 29(1-3), 2006: 30(1-3), 2007: 31(1-3), 2007: 32(1-3), 2007: 33(1-3), 2008: 34(1-3), 2008: 35(1-3), 2008: 36(1-3), 2009: 37(1-3), 2009: 38(1-3), 2009: 39(1-3), 2010: 40(1-3), 2010: 41(1-3), 2010: 42(1-3), 2011: 43(1-3), 2011: 44(1-3), 2011: 45(1, S 1, 2-3), 2012: 46(1-3), 2012: 47(1-3), 2012: 48(1), 2013: 49(1-3), 2013: 50(1-3), 2013: 51(1, S 1, 2-3), 2014: 52(1-4), 2014: 53(1-4), 2014: 54(1-4), 2015: 55(1, 4), 2015: 56(1-4), 2015: 57(1-4), 2016: 58(1-4), 2016: 59(1-4), 2016: 60(1-4), 2017: 61(1-4), 2017: 62(1-4), 2017: 63(1-4), 2018: 64(1-4), 2018: 65(1-4), 2018: 66(1-4), 2019: 67(1-4), 2019: 68(1-4), 2019: 69(1-4), 2019/2020: 70(1-12), 2021: 71(1-12), 2022: 72(1-11), 2023: 73(1-12), 2024: 74(1-4), 2025: 75(1-4), 2026: 76(1)
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LOCKSS Archive
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In Progress
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2026-02-09
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46 to 48, 67, 69
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LOCKSS Archive
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Preserved
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2026-02-09
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49 to 65
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 74 (1 to 4); 75 (, 1 to 3); 2024; 2025
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Library of Congress
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Preserved
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2025-04-07
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59 (2); 64 (2 to 4); 65 (1 to 4); 66 (1 to 4); 67 (1 to 4); 68 (1 to 4); 69 (1 to 4); 70 (1 to 12); 71 (1 to 12); 72 (1 to 12); 73 (1, 2-3, 4-5, 6, 7-8, 9-10, 11-12); 74 (1 to 4)
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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 : 5 (1 to 3); 6 (1 to 4); 7 (1 to 9, 11, 12); 43 (1 to 3); 44 (1 to 3); 45 (Suppl 1, 1 to 3); 46 (1 to 3); 47 (1 to 3); 48 (Suppl 1, 1 to 3); 49 (1 to 3); 51 (Suppl 1, 1 to 3); 52 (1 to 4); 53 (Suppl 1, 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 3); 63 (1 to 3); 64 (1 to 4); 65 (1 to 4); 66 (1 to 4); 67 (1 to 4); 68 (1 to 4); 69 (1 to 4); 71 (1 to 9, 11, 12); 72 (1 to 9, 11, 12); 73 (1, 2-3, 4-5, 6, 7-8, 9-1, 11-12); 74 (1 to 4)
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National Digital Preservation Program, China
|
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Preserved
|
2025-12-04
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Preserved : 5 (1 to 3); 6 (1 to 4); 7 (1 to 9, 11, 12); 43 (1 to 3); 44 (1 to 3); 45 (Suppl 1, 1 to 3); 46 (1 to 3); 47 (1 to 3); 48 (Suppl 1, 1 to 3); 49 (1 to 3); 51 (Suppl 1, 1 to 3); 52 (1 to 4); 53 (Suppl 1, 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 3); 63 (1 to 3); 64 (1 to 4); 65 (1 to 4); 66 (1 to 4); 67 (1 to 4); 68 (1 to 4); 69 (1 to 4); 71 (1 to 9, 11, 12); 72 (1 to 9, 11, 12); 73 (1, 2-3, 4-5, 6, 7-8, 9-1, 11-12); 74 (1 to 4)
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National Library of the Netherlands
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Preserved
|
2024-12-15
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Preserved : 11 (1-3); 12 (1, 3); 13 (1-2, 3); 14 (1-2, 3); 15 (1-3); 16 (1, 2-3); 17 (1-3); 18 (1-2, 3); 19 (1-2, 3); 20 (1-3); 21 (1-3); 22 (1-2, 3); 23 (1-2, 3); 24 (1-3); 25 (1-3); 26 (1, 2-3); 27 (1-3); 28 (2, 3); 29; 30; 31 (2, 3); 32 (1-3); 33 (1-3); 34 (1-3); 35 (1-3); 36 (1-3); 37 (2, 3); 38 (1-3); 39 (1-2, 3); 40 (1-2, 3); 41 (1-3); 42 (1-3); 43 (1-3); 44 (1-3); 45 (supplement-1, 1-3); 46 (1-3); 47 (1-3); 48 (supplement-1, 1-3); 49 (1-3); 50 (1-3); 51 (supplement-1, 1-3); 52 (1-4); 53 (supplement-1, 1-4); 54 (1-4); 55 (1-4); 56 (1-4); 57 (1-4); 58 (1-4); 59 (1-4); 60 (1-4); 61 (1-4); 62 (1, 2, 3-4); 63 (1, 2, 3-4); 64 (1-4); 65 (1-4); 66 (1-4); 67 (1-4); 68 (1-4); 69 (1-3); 70
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