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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 1 (1-4); 2 (, 1-4); 3 (, 1, 2-4); 4 (, 1-2, 3-4); 5 (, 1, 2-4); 6 (, 1-3, 4); 7 (, 1-4); 8 (, 1-2, 3-4); 9 (, 1-2, 3-4); 10 (, 1-2, 3, 4); 11 (, 1-4); 12 (, 1-2, 3-4); 13 (, 1-2, 3-4); 14 (, 1, 2-4); 15 (, 1, 2, 3-4); 16 (, 1); 17 (, 1, 2); 18 (, 1, 2); 19 (, 1-2, 3-4); 20 (, 1-4); 21 (, 1, 2-4); 22 (, 1, 3-4); 23 (, 1-2, 3-4); 24 (, 1-4); 25 (, 1-2, 3-4); 26 (, 1-4); 27 (, 1-4); 28 (, 1-4); 29 (, 1-4); 30 (, 1-4); 31 (, 1-4); 32 (, 1-4); 33 (, 1, 2-4); 34 (, 1-3, 4); 35 (, 1-4); 36 (, 1-2, 3, 4); 37 (, 1-2, 3, 4); 38 (, 1-3, 4); 39 (, 1-2, 3, 4); 40 (, 1-2, 3-4); 41 (, 1, 2-4); 42 (, 1-3, 4); 43 (, 1-4); 44 (, 1-2, 3, 4); 45 (, 1-2, 3-4); 46 (, 1-2, 3, 4); 47 (, 1-2, 3-4); 48 (, 1-2, 3-4); 49 (, 1-4); 50 (, 1-2, 3-4); 51 (, 1, 2-4); 52 (, 1, 2-4); 53 (, 1-4); 54 (, 1-3, 4); 55 (, 1-2, 3-4); 56 (, 1, 2, 3-4); 57 (, 1, 2, 3-4); 58 (, 1-2, 3-4); 59 (, 1, 2, 3-4); 60 (, 1-2, 3-4); 61 (, 1 to 4); 62 (, 1-2, 3-4); 63 (, 1, 2, 3-4); 64 (, 1, 2-3, 4); 65 (, 1, 2-3, 4); 66 (, 1-4); 67 (, 1, 2, 3-4); 68 (, 1-3, 4); 69 (, 1 to 4); 70 (, 1-2, 3, 4); 71 (, 1-3, 4); 72 (, 1-2, 3-4); 73 (, 1-2, 3-4); 74 (, 1-2, 3-4); 75 (, 1-2, 3-4); 76 (, 1-2, 3-4); 77 (, 1-2, 3-4); 78 (, 1, 2, 3-4); 79 (, 1-3, 4); 80 (, 1, 2, 3-4); 81 (, 1-2, 3-4); 82 (, 1-3, 4); 83 (, 1, 2, 3-4); 84 (, 1-2, 3-4); 85 (, 1, 2-4); 86 (, 1-3, 4); 87 (, 1-2, 3, 4); 88 (, 1-3, 4, 5-6, 7 to 10, 11-12); 89 (, 1-2, 3-4, 5-6, 7, 8-9, 10-11, 12); 90 (, 1, 2-3, 4 to 6, 7-9, 10, 11-12); 91 (, 1, 2-3, 4 to 6); 92 (, 1 to 6); 93 (, 1, 2); 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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LOCKSS Archive
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In Progress
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2026-02-09
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Portico
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Preserved
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2026-02-12
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Preserved : 1990: 1(1-4), 1990: 2(1-4), 1991: 3(1-4), 1991: 4(1-4), 1992: 5(1-4), 1992: 6(1-4), 1993: 7(1-4), 1993: 8(1-4), 1993: 9(1-4), 1994: 10(1-4), 1994: 11(1-4), 1994: 12(1-4), 1995: 13(1-4), 1995: 14(1-4), 1995: 15(1-4), 1996: 16(1), 1996: 17(1-2), 1996: 18(1-2)
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 94
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Portico
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Preserved
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2026-02-12
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Preserved : 1998: 22(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 2004: 42(4), 2005: 43(1-4)
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Portico
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Preserved
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2026-02-12
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Preserved : 2006: 48(1-2)
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Portico
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Preserved
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2026-02-12
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Preserved : 2008: 52(1-4), 2008: 53(1-4), 2008: 54(1-4), 2009: 55(1-4), 2009: 56(1-4), 2009: 57(1-4), 2010: 58(1-2), 2010: 59(1-4), 2010: 60(1-4), 2011: 61(1-4), 2011: 62(1-2), 2011: 63(3-4), 2012: 64(1-4), 2012: 65(1-3), 2012: 66(1-4), 2013: 67(1-4), 2013: 68(1-4), 2013: 69(1-4), 2014: 70(1-4), 2014: 71(1-4), 2014: 72(1-4), 2015: 73(3-4), 2015: 74(1-4), 2015: 75(1-4), 2016: 76(1-4), 2016: 77(1-4), 2016: 78(1-4), 2017: 79(1-4), 2017: 80(1-4), 2017: 81(1-4), 2018: 82(1-4), 2018: 83(1-4), 2018: 84(1-4), 2019: 85(1-4), 2019: 86(1-4), 2019: 87(1-4), 2019/2020: 88(1-12), 2021: 89(1-12), 2022: 90(1-12), 2023: 91(2-6), 2024: 92(1-6), 2025: 93(1, 3-6), 2026: 94(1)
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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); 3; 4 (3); 5 (1, 3); 6 (1, 3); 7 (1, 3, 4); 8 (1 to 3); 9 (1, 2-3, 4 to 6, 7-9, 11-12); 19 (1, 3); 21 (1, 2); 22 (1, 3); 23 (1, 3); 24 (1); 25 (3); 26 (1); 27; 28; 29; 31; 32; 33 (2); 34 (1, 4); 35 (1); 36 (3, 4); 37 (1, 3, 4); 38 (1, 4); 39 (1, 3, 4); 41 (1, 2); 42 (1, 4); 43 (1); 44 (3, 4); 45 (1, 3); 46 (1, 3, 4); 47 (1, 3); 48 (1, 3); 49 (1); 51 (2); 52 (1, 2); 53 (1); 54 (4); 55 (1, 3); 56 (1 to 3); 57 (1 to 3); 58 (1, 3); 59 (1 to 3); 61 (1 to 4); 62 (1); 63 (2); 64 (1, 2, 4); 65 (1, 2, 4); 66 (1); 67 (2, 3); 69 (1 to 4); 71 (1, 4); 72 (1, 3); 73 (1, 3); 74 (1, 3); 75 (1, 3); 77 (1); 78 (2, 3); 79 (1, 4); 81 (1, 3); 82 (1-3, 4); 83 (1, 2, 3-4); 84 (1-2, 3-4); 85 (1, 2-4); 86 (1-3, 4); 87 (1-2, 3, 4); 88 (1-3, 4, 5-6, 7 to 9, 11-12); 89 (1-11, 3-4, 5-6, 7, 8-9, 12); 91 (1, 2-3, 4 to 6); 92 (1 to 6)
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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); 3; 4 (3); 5 (1, 3); 6 (1, 3); 7 (1, 3, 4); 8 (1 to 3); 9 (1, 2-3, 4 to 6, 7-9, 11-12); 19 (1, 3); 21 (1, 2); 22 (1, 3); 23 (1, 3); 24 (1); 25 (3); 26 (1); 27; 28; 29; 31; 32; 33 (2); 34 (1, 4); 35 (1); 36 (3, 4); 37 (1, 3, 4); 38 (1, 4); 39 (1, 3, 4); 41 (1, 2); 42 (1, 4); 43 (1); 44 (3, 4); 45 (1, 3); 46 (1, 3, 4); 47 (1, 3); 48 (1, 3); 49 (1); 51 (2); 52 (1, 2); 53 (1); 54 (4); 55 (1, 3); 56 (1 to 3); 57 (1 to 3); 58 (1, 3); 59 (1 to 3); 61 (1 to 4); 62 (1); 63 (2); 64 (1, 2, 4); 65 (1, 2, 4); 66 (1); 67 (2, 3); 69 (1 to 4); 71 (1, 4); 72 (1, 3); 73 (1, 3); 74 (1, 3); 75 (1, 3); 77 (1); 78 (2, 3); 79 (1, 4); 81 (1, 3); 82 (1-3, 4); 83 (1, 2, 3-4); 84 (1-2, 3-4); 85 (1, 2-4); 86 (1-3, 4); 87 (1-2, 3, 4); 88 (1-3, 4, 5-6, 7 to 9, 11-12); 89 (1-11, 3-4, 5-6, 7, 8-9, 12); 91 (1, 2-3, 4 to 6); 92 (1 to 6)
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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 : 19 (1, 3); 20 (1); 21 (2); 22 (1, 3); 23 (1, 3); 24 (1); 25 (3); 26 (1); 27; 28; 29; 30; 31; 32; 33 (2); 34 (1, 4); 35 (1); 36 (3, 4); 37 (1, 3, 4); 38 (1, 4); 39 (1, 3, 4); 40 (1, 3); 41 (2); 42 (4); 43 (1-4); 44 (3, 4); 45 (1-2, 3-4); 46 (1-2, 3); 47 (1-2, 3-4); 48 (1-2, 3-4); 49 (1-4); 50 (3-4); 51 (1, 2-4); 52 (1, 2-4); 53 (1-4); 54 (4); 55 (1-2, 3-4); 56 (1, 2, 3-4); 57; 58 (1-2, 3-4); 59 (1, 2, 3-4); 60 (1-2, 3-4); 61 (1-4); 62 (1-2, 3-4); 63 (1, 2, 3-4); 64 (1, 2-3, 4); 65 (1, 2-3, 4); 66 (1-4); 67 (2, 3-4); 68 (1-3, 4); 69 (1-4); 70 (1-2, 3, 4); 71 (1-3, 4); 72 (1-2, 3-4); 73 (1-2, 3-4); 74 (1-2, 3-4); 75 (1-2, 3-4); 76 (1-2, 3-4); 77 (1-2, 3-4); 78 (1, 2, 3-4); 79 (1-3, 4); 80 (1, 2, 3-4); 81 (1-2, 3-4); 82 (1-3, 4); 83 (1, 2, 3-4); 84 (1-2, 3-4); 85 (1, 2-4); 86 (1-3); 87
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Library of Congress
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Preserved
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2025-04-07
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82 (1-3, 4); 83 (1 to 3-4); 84 (1-2, 3-4); 85 (1, 2-4); 86 (1-3, 4); 87 (1-2, 3, 4); 88 (1-3, 4, 5-6, 7 to 11-12); 89 (1-2, 3-4, 5-6, 7, 8-9, 10-11, 12); 90 (1, 2-3, 4 to 7-9, 10, 11-12); 91 (1, 2-3, 4 to 6); 92 (1 to 5)
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