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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 to 4); 3 (, 1 to 4); 4 (, 1 to 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 (, 1-4); 18 (, 1 to 3); 19 (, 1-3); 20 (, 1 to 3); 21 (, 1 to 3); 22-23 (, 1); 24 (, 1 to 3); 25 (, 1-2, 3); 26 (, 1 to 3); 27 (, 1-3); 28 (, 1, 2-3); 29 (, 1 to 3); 30 (, 1 to 3); 31 (, 1-2, 3); 32 (, 1 to 3); 33 (, 1 to 3); 34 (, 1 to 3); 35 (, 1, 2-3); 36 (, 1 to 3); 37 (, 1 to 3); 38 (, 1 to 3); 39 (, 1 to 3); 40 (, 1-3); 41 (, 1 to 3); 42 (, 1 to 3); 43 (, 1 to 3); 44 (, 1 to 3); 45 (, 1-3); 46 (, 1 to 3); 47 (, 1 to 3); 48 (, 1-3); 49 (, 1 to 3); 50 (, 1 to 3); 51 (, 1 to 3); 52 (, 1 to 3); 53 (, 1 to 3); 54 (, 1, 2-3); 55 (, 1 to 3); 56 (, 1 to 3); 57 (, 1 to 3); 58 (, 1 to 3); 59 (, 1 to 3); 60 (, 1 to 3); 61 (, 1 to 3); 62 (, 1 to 3); 63 (, 1 to 3); 64 (, 1 to 3); 65 (, 1 to 3); 66 (, 1 to 3); 67 (, 1 to 3); 68 (, 1 to 3); 69 (, 1 to 3); 70 (, 1 to 3); 71 (, 1 to 3); 72 (, 1 to 3); 73 (, 1, 2-3); 74 (, 1 to 3); 75 (, 1 to 3); 76 (, 1 to 3); 77 (, 1 to 3); 78 (, 1 to 3); 79 (, 1 to 3); 80 (, 1 to 3); 81 (, 1 to 3); 82 (, 1 to 3); 83 (, 1 to 3); 84 (, 1 to 3); 85 (, 1 to 3); 86 (, 1 to 3); 87 (, 1 to 3); 88 (, 1 to 3); 89 (, 1 to 3); 90 (, 1 to 3); 91 (, 1 to 3); 92 (, 1 to 3); 93 (, 1 to 3); 94 (, 1 to 3); 95 (, 1 to 3); 96 (, 1 to 3); 97 (, 1 to 3); 98 (, 1 to 3); 99 (, 1 to 3); 100 (, 1 to 3); 101 (, 1 to 3); 102 (, 1 to 3); 103 (, 1 to 3); 104 (, 1 to 3); 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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3 to 61
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 22, 24 to 106
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Portico
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Preserved
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2026-02-12
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Preserved : 2004: 20(3), 2005: 22(1-3), 2005: 24(1-3), 2005: 25(1-3), 2006: 26(2), 2006: 27(1-3), 2006: 28(2-3), 2007: 31(1-3), 2007: 32(2-3)
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Portico
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Preserved
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2026-02-12
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Preserved : 2008: 37(1-3), 2009: 38(1-3), 2009: 39(1-3), 2009: 40(1-3), 2009: 41(1-3), 2010: 42(1-3), 2010: 43(1-3), 2010: 44(1-3), 2010: 45(1-3), 2011: 46(1-3), 2011: 47(1-3), 2011: 48(1-3), 2011: 49(1-3), 2012: 50(1-2), 2012: 51(1-3), 2012: 52(1), 2012: 53(2-3), 2013: 54(1-3), 2013: 55(1, 3), 2013: 56(1-3), 2013: 57(1, 3), 2014: 58(1-3), 2014: 59(1-3), 2014: 60(1-3), 2014: 61(1-2), 2015: 63(1-3), 2015: 64(1-3), 2015: 65(1-3), 2016: 66(1-3), 2016: 67(1-3), 2016: 68(1-3), 2016: 69(1-3), 2017: 70(1-3), 2017: 71(1-3), 2017: 72(1-3), 2017: 73(1-3), 2018: 74(1-3), 2018: 75(1-3), 2018: 76(1-3), 2018: 77(1-3), 2019: 78(1-3), 2019: 79(1-3), 2019: 80(1-3), 2019: 81(1-3), 2020: 82(1-3), 2020: 83(1-3), 2020: 84(1-3), 2020: 85(1-3), 2021: 86(1-3), 2021: 87(1-3), 2021: 88(1-3), 2021: 89(1-3), 2022: 90(1-3), 2022: 91(1-3), 2022: 92(1-3), 2022: 93(1-3), 2023: 94(1-3), 2023: 95(1-3), 2023: 96(1-3), 2023: 97(1-3), 2023/2024: 98(1-3), 2024: 99(1-3), 2024: 100(1-3), 2024: 101(1-3), 2025: 102(1-3), 2025: 103(1-3), 2025: 104(1-3), 2025: 105(1-3), 2025/2026: 106(1-3)
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LOCKSS Archive
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In Progress
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2026-02-09
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50 to 53, 78, 80, 81
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LOCKSS Archive
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Preserved
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2026-02-09
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54 to 77, 79
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Library of Congress
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Preserved
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2025-04-07
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74 (2, 3); 75 (1 to 3); 76 (1 to 3); 77 (1 to 3); 78 (1 to 3); 79 (1 to 3); 80 (1 to 3); 81 (1 to 3); 82 (1 to 3); 83 (1 to 3); 84 (1 to 3); 85 (1 to 3); 86 (1 to 3); 87 (1 to 3); 88 (1 to 3); 89 (1 to 3); 90 (1 to 3); 91 (1 to 3); 92 (1 to 3); 93 (1 to 3); 94 (1 to 3); 95 (1 to 3); 96 (1 to 3); 97 (1 to 3); 98 (1 to 3); 99 (1 to 3); 100 (1 to 3); 101 (1 to 3); 102 (2)
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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 : 1 (1 to 3); 2 (1 to 3); 3 (1 to 3); 4 (1); 5 (2, 3); 6 (1 to 3); 7 (1 to 3); 8 (1 to 3); 9 (1 to 3); 11 (1 to 3); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1); 18 (2, 3); 19 (1); 21 (2, 3); 22 (1); 24 (2, 3); 25 (1, 3); 26 (1 to 3); 27 (1); 28 (2); 29 (1 to 3); 31 (1, 3); 32 (1 to 3); 33 (1 to 3); 34 (1 to 3); 35 (1, 2); 36 (1 to 3); 37 (1 to 3); 38 (1 to 3); 39 (1 to 3); 41 (1 to 3); 42 (1 to 3); 43 (1 to 3); 44 (1 to 3); 45 (1); 46 (2, 3); 47 (1 to 3); 48 (1); 49 (2, 3); 51 (1 to 3); 52 (1 to 3); 53 (1 to 3); 54 (1, 2); 55 (1 to 3); 56 (1 to 3); 57 (1 to 3); 58 (1 to 3); 59 (1 to 3); 61 (1 to 3); 62 (1 to 3); 63 (1 to 3); 64 (1 to 3); 65 (1 to 3); 66 (1 to 3); 67 (1 to 3); 68 (1 to 3); 69 (1 to 3); 71 (1 to 3); 72 (1 to 3); 73 (1, 2); 74 (1 to 3); 75 (1 to 3); 76 (1 to 3); 77 (1 to 3); 78 (1 to 3); 79 (1 to 3); 81 (1 to 3); 82 (1 to 3); 83 (1 to 3); 84 (1 to 3); 85 (1 to 3); 86 (1 to 3); 87 (1 to 3); 88 (1 to 3); 89 (1 to 3); 91 (1 to 3); 92 (1 to 3); 93 (1 to 3); 94 (1 to 3); 95 (1 to 3); 96 (1 to 3); 97 (1 to 3)
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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 : 1 (1 to 3); 2 (1 to 3); 3 (1 to 3); 4 (1); 5 (2, 3); 6 (1 to 3); 7 (1 to 3); 8 (1 to 3); 9 (1 to 3); 11 (1 to 3); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1); 18 (2, 3); 19 (1); 21 (2, 3); 22 (1); 24 (2, 3); 25 (1, 3); 26 (1 to 3); 27 (1); 28 (2); 29 (1 to 3); 31 (1, 3); 32 (1 to 3); 33 (1 to 3); 34 (1 to 3); 35 (1, 2); 36 (1 to 3); 37 (1 to 3); 38 (1 to 3); 39 (1 to 3); 41 (1 to 3); 42 (1 to 3); 43 (1 to 3); 44 (1 to 3); 45 (1); 46 (2, 3); 47 (1 to 3); 48 (1); 49 (2, 3); 51 (1 to 3); 52 (1 to 3); 53 (1 to 3); 54 (1, 2); 55 (1 to 3); 56 (1 to 3); 57 (1 to 3); 58 (1 to 3); 59 (1 to 3); 61 (1 to 3); 62 (1 to 3); 63 (1 to 3); 64 (1 to 3); 65 (1 to 3); 66 (1 to 3); 67 (1 to 3); 68 (1 to 3); 69 (1 to 3); 71 (1 to 3); 72 (1 to 3); 73 (1, 2); 74 (1 to 3); 75 (1 to 3); 76 (1 to 3); 77 (1 to 3); 78 (1 to 3); 79 (1 to 3); 81 (1 to 3); 82 (1 to 3); 83 (1 to 3); 84 (1 to 3); 85 (1 to 3); 86 (1 to 3); 87 (1 to 3); 88 (1 to 3); 89 (1 to 3); 91 (1 to 3); 92 (1 to 3); 93 (1 to 3); 94 (1 to 3); 95 (1 to 3); 96 (1 to 3); 97 (1 to 3)
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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 : 12 (1-4); 13 (1-4); 14 (1-4); 15 (1-4); 16 (1-4); 17 (1); 18 (2, 3); 19 (1); 20 (2, 3); 21 (1-3); 22-23 (1); 24 (2, 3); 25 (1, 3); 26 (1-3); 27 (1-3); 28 (2-3); 29 (1-3); 30 (1, 2); 31 (3); 32 (1-3); 33 (1-3); 34 (1-3); 35 (1, 2-3); 36 (1-3); 37 (1-3); 38 (1-3); 39 (1-3); 40 (1-3); 41 (2, 3); 42 (1-3); 43 (1-3); 44 (1-3); 45 (1-3); 46 (2, 3); 47 (1-3); 48 (1-3); 49 (2, 3); 50 (1-3); 51 (1-3); 52 (1-3); 53 (1-3); 54 (1, 2-3); 55 (1-3); 56 (1-3); 57 (1-3); 58 (1-3); 59 (1-3); 60 (1-3); 61 (1-3); 62 (1-3); 63 (1-3); 64 (1-3); 65 (1-3); 66 (1-3); 67 (1-3); 68 (1-3); 69 (1-3); 70 (1-3); 71 (1-3); 72 (1-3); 73 (1, 2-3); 74 (1-3); 75 (1-3); 76 (1-3); 77 (1-3); 78 (1-3); 79 (1-3); 80 (1-3); 81 (1, 2)
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