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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 61 (1 to 5, 6-7, 8); 62 (, 1 to 8); 63 (, 1 to 3, 4-5, 6 to 8); 64 (, 1 to 8); 65 (, 1 to 8); 66 (, 1-2, 3 to 8); 67 (, 1-2, 3 to 8); 68 (, 1, 2, 3/4, 5, 6, 7/8, 9, 10); 69 (, 1 to 8, 9/10); 70 (, 1-3, 4 to 7, 8-9, 10); 71 (, 1, 2/3, 4/5, 6/7, 8 to 12); 72 (, 1, 2-3, 4-5, 6-7, 8 to 10, 11-12); 73 (, 1-2, 3-4, 5-6, 7, 8, 9-10, 11-12); 74 (, 1-2, 3-4, 5-6, 7 to 10, 11-12); 75 (, 1, 2-3, 4-5, 6-7, 8-9, 10-12); 76 (, 1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 77 (, 1, 2-3, 4 to 12); 78 (, 1 to 12); 79 (, 1 to 5, 6-7, 8 to 12); 80 (, 1 to 12); 81 (, 1 to 12); 82 (, 1 to 9, 10-11, 12); 83 (, 1 to 12); 84 (, 1 to 8, 9-11, 12); 85 (, 1 to 8, 9-10, 11, 12); 86 (, 1-2, 3 to 12); 87 (, 1 to 12); 88 (, 1-2, 3 to 12); 89 (, 7 to 12); 90 (, 1 to 12); 91 (, 1 to 12); 92 (, 1 to 12); 93 (, 1 to 12); 94 (, 1 to 12); 95 (, 1 to 7); 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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16 to 60
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Portico
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Preserved
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2026-02-12
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Preserved : 1991: 61(1-8), 1992: 62(1-8), 1993: 63(1-8), 1993/1994: 64(1-8), 1994/1995: 65(1-8), 1995/1996: 66(1-8), 1996/1997: 67(1-8), 1998: 68(1-10), 1999: 69(1-10), 2000: 70(1-10), 2001: 71(1-12), 2002/2003: 72(1-12), 2003/2004: 73(1-12), 2004/2005: 74(1-12), 2005/2006: 75(1-12), 2006: 76(1-12), 2007: 77(1-12), 2008: 78(1-12), 2009: 79(1-12), 2010: 80(1-12), 2011: 81(1-12), 2012: 82(1-8, 12), 2013: 83(1-7, 9-10, 12), 2014: 84(1-12), 2015: 85(3-12), 2016: 86(1-12), 2017: 87(1-12), 2018: 88(1-12), 2019: 89(1-12), 2019/2020: 90(1-12), 2021: 91(1-12), 2022: 92(1-12), 2023: 93(2-12), 2024: 94(1-12), 2025: 95(1-12), 2025/2026: 96(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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82, 89
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LOCKSS Archive
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Preserved
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2026-02-09
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83 to 88
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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 : 7 (1, 4 to 8); 8 (1 to 9, 11, 12); 9 (1 to 9, 11, 12); 67 (3 to 8); 68 (1 to 3, 5 to 7, 9); 69 (1 to 9); 71 (1, 2, 4, 6, 8, 9, 11, 12); 72 (1, 2, 4, 6, 8, 9, 11); 73 (1, 3, 5, 7 to 9, 11); 74 (1, 3, 5, 7 to 9, 11); 75 (1, 2, 4, 6, 8); 76 (1, 3, 5, 7, 9, 11); 77 (1, 2, 4 to 9, 11, 12); 78 (1 to 9, 11, 12); 79 (1 to 6, 8, 9, 11, 12); 81 (1 to 9, 11, 12); 82 (1 to 9, 12); 83 (1 to 9, 11, 12); 84 (1 to 9, 12); 85 (1 to 9, 11, 12); 86 (1, 3 to 9, 11, 12); 87 (1 to 9, 11, 12); 88 (1-2, 3 to 9, 11, 12); 89 (1 to 9, 11, 12); 91 (1 to 9, 11, 12); 92 (1 to 9, 11, 12); 93 (1 to 9, 11, 12); 94 (1 to 9, 11, 12)
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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 : 7 (1, 4 to 8); 8 (1 to 9, 11, 12); 9 (1 to 9, 11, 12); 67 (3 to 8); 68 (1 to 3, 5 to 7, 9); 69 (1 to 9); 71 (1, 2, 4, 6, 8, 9, 11, 12); 72 (1, 2, 4, 6, 8, 9, 11); 73 (1, 3, 5, 7 to 9, 11); 74 (1, 3, 5, 7 to 9, 11); 75 (1, 2, 4, 6, 8); 76 (1, 3, 5, 7, 9, 11); 77 (1, 2, 4 to 9, 11, 12); 78 (1 to 9, 11, 12); 79 (1 to 6, 8, 9, 11, 12); 81 (1 to 9, 11, 12); 82 (1 to 9, 12); 83 (1 to 9, 11, 12); 84 (1 to 9, 12); 85 (1 to 9, 11, 12); 86 (1, 3 to 9, 11, 12); 87 (1 to 9, 11, 12); 88 (1-2, 3 to 9, 11, 12); 89 (1 to 9, 11, 12); 91 (1 to 9, 11, 12); 92 (1 to 9, 11, 12); 93 (1 to 9, 11, 12); 94 (1 to 9, 11, 12)
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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 : 67 (4-8); 68 (1, 2, 3-4, 5, 6, 7-8, 9, 10); 69 (1-8, 9-10); 70 (1-3, 4-7, 8-9, 10); 71 (1, 2-3, 4-5, 6-7, 8-12); 72 (1, 2-3, 4-5, 6-7, 8-10, 11-12); 73 (1-2, 3-4, 5-6, 7, 8, 9-10, 11-12); 74 (1-2, 3-4, 5-6, 7-10, 11-12); 75 (1, 2-3, 4-5, 6-7, 8-9, 10-12); 76 (1-2, 5-6, 7-8, 9-10, 11-12); 77 (1, 2-3, 4, 5, 7-12); 78 (1-12); 79 (1-5, 6-7, 8-12); 80 (1-12); 81 (1-12); 82 (1-9, 10-11, 12); 83 (1-12); 84 (1-8, 9-11, 12); 85 (1-8, 9-10, 11, 12); 86 (1-2, 3-12); 87 (1-12); 88 (1-2, 3-12); 89 (1-12)
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Library of Congress
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Preserved
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2025-04-07
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87 (11); 88 (1-2, 3 to 12); 89 (1 to 4, 6 to 12); 90 (1 to 12); 91 (1 to 12); 92 (1 to 12); 93 (1 to 12); 94 (1 to 11)
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