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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 45 (1/2, 3, 4); 46 (, 1/2, 3, 4); 47 (, 1/2, 3/4); 48 (, 1, 2/4); 49 (, 1 to 4); 50 (, 1 to 4); 51 (, 1 to 4); 52-2 (, 1/2, 3, 4); 53 (, 1/2, 3, 4); 54 (, 1/2, 3, 4); 55 (, 1 to 4); 56 (, 1, 2/3, 4); 57 (, 1, 2, 3/4); 58 (, 1 to 4); 59 (, 1/2, 3, 4); 60 (, 1/2, 3, 4); 61 (, 1, 2/3, 4); 62 (, 1, 2, 3/4); 63 (, 1 to 4); 64 (, 1/2, 3/4); 65 (, 1/2, 3/4); 66 (, 1/2, 3/4); 67 (, 1-2, 3-4); 68 (, 1, 2-3, 4); 69 (, 1 to 4); 70 (, 1, 2-3, 4); 71 (, 1 to 4); 72 (, 1, 2, 3-4); 73 (, 1 to 4); 74 (, 1 to 4); 75 (, 1 to 4); 76 (, 2 to 4); 77 (, 1 to 3); 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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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 77
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Portico
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Preserved
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2026-02-12
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Preserved : 1995: 47(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1997: 49(1-4), 1998: 50(1-4), 1999: 51(1-4), 2000: 52(1-4), 2001: 53(1-4), 2002: 54(1-4), 2003: 55(1-4), 2004: 56(1-4), 2005: 57(1-4), 2006: 58(1-4), 2007: 59(1-4), 2008: 60(1-4), 2009: 61(1-4), 2010: 62(1-4), 2011: 63(1-4), 2012: 64(1-4), 2013: 65(1-4), 2014: 66(1-4), 2015: 67(1-4), 2016: 68(1-4), 2017: 69(1-4), 2018: 70(1-4), 2019: 71(1-4), 2019/2020: 72(1-4), 2021: 73(1-4), 2022: 74(1-4), 2023: 75(1-4), 2024: 76(1-3), 2025: 77(1-6)
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LOCKSS Archive
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In Progress
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2026-02-09
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64, 71
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LOCKSS Archive
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Preserved
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2026-02-09
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65 to 70
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Library of Congress
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Preserved
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2025-04-07
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69 (1); 70 (1, 2-3, 4); 71 (1 to 4); 72 (1 to 3-4); 73 (1 to 4); 74 (1 to 4); 75 (1 to 4); 76 (1 to 3)
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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 4); 6 (1, 3, 4); 7 (1, 2-3, 4); 49 (1 to 4); 51 (1 to 4); 52 (1, 3, 4); 53 (1, 3, 4); 54 (1, 3, 4); 55 (1 to 4); 56 (1, 2, 4); 57 (1 to 3); 58 (1 to 4); 59 (1, 3, 4); 61 (1, 2, 4); 62 (1 to 3); 63 (1 to 4); 64 (1, 3); 65 (1, 3-4); 66 (1, 3); 67 (1, 3); 68 (1, 2, 4); 69 (1 to 4); 71 (1 to 4); 72 (1, 2, 3-4); 73 (1 to 4); 74 (1 to 4); 75 (1 to 4); 76 (1 to 4)
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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 : 5 (1 to 4); 6 (1, 3, 4); 7 (1, 2-3, 4); 49 (1 to 4); 51 (1 to 4); 52 (1, 3, 4); 53 (1, 3, 4); 54 (1, 3, 4); 55 (1 to 4); 56 (1, 2, 4); 57 (1 to 3); 58 (1 to 4); 59 (1, 3, 4); 61 (1, 2, 4); 62 (1 to 3); 63 (1 to 4); 64 (1, 3); 65 (1, 3-4); 66 (1, 3); 67 (1, 3); 68 (1, 2, 4); 69 (1 to 4); 71 (1 to 4); 72 (1, 2, 3-4); 73 (1 to 4); 74 (1 to 4); 75 (1 to 4); 76 (1 to 4)
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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 : 49 (1-4); 50 (1-4); 51 (1-4); 52 (1, 3, 4); 53 (1, 3, 4); 54 (1, 3, 4); 55 (1-4); 56 (1); 57 (2, 3); 58 (1-4); 59 (1-2, 3); 60 (1-2, 3, 4); 61 (1, 2-3, 4); 62 (1, 2, 3-4); 63 (1-4); 64 (1-2, 3-4); 65 (1-2, 3-4); 66 (1-2, 3-4); 67 (1-2, 3-4); 68 (1, 2-3, 4); 69 (1-4); 70 (1, 2-3, 4); 71 (1-3)
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