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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 7 (1 to 7); 8 (, 1 to 10); 9 (, 1 to 10); 10 (, 1 to 10); 11 (, 1 to 10); 12 (, 1 to 10); 17 (, 1 to 10); 18 (, 1 to 10); 21 (, 1 to 10); 22 (, 1 to 10); 29 (, 1 to 8); 30 (, 1 to 8); 31 (, 1 to 8); 32 (, 1 to 8); 33 (, 1 to 8); 34 (, 1 to 8); 35 (, 1 to 8); 36 (, 1 to 8); 37 (, 1 to 8); 38 (, 1 to 8); 39 (, 1 to 8); 40 (, 1 to 8); 51 (, 1 to 6, 8); 52 (, 1 to 8); 60 (, 5); 61 (, 1 to 8); 62 (, 1 to 8); 63 (, 1 to 8); 64 (, 1 to 8); 65 (, 1 to 6); 66 (, 1 to 6); 67 (, 1 to 6); 68 (, 1 to 6); 69 (, 1 to 6); 70 (, 1 to 6); 71 (, 1 to 6); 72 (, 1 to 6); 73 (, 1 to 6); 74 (, 1 to 6); 75 (, 1 to 6); 76 (, 1 to 6); 77 (, 1 to 6); 78 (, 1 to 6); 79 (, 1 to 6); 80 (, 1 to 6); 81 (, 1 to 6); 82 (, 1 to 6); 83 (, 1 to 6); 84 (, 1 to 6); 85 (, 1 to 6); 86 (, 1 to 6); 87 (, 1 to 4, 6); 88 (, 1 to 6); 89 (, 1 to 8); 90 (, 1 to 8); 91 (, 1 to 8); 92 (, 1 to 7); 93 (, 1 to 8); 94 (, 1 to 8); 95 (, 1 to 8); 96 (, 1 to 8); 97 (, 1 to 8); 98 (, 1 to 8); 99 (, 2 to 6, 7-8); 100 (, 1 to 6); 1931; 1932; 1933; 1934; 1935; 1936; 1937; 1941; 1942; 1943; 1945; 1946; 1947; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960; 1961; 1962; 1963; 1964; 1965; 1975; 1976; 1977; 1985; 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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55 to 89
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CLOCKSS Archive
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Preserved
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2026-02-09
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ahead-of-print, 61 to 101
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LOCKSS Archive
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Preserved
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2026-02-09
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61 to 99
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LOCKSS Archive
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In Progress
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2026-02-09
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100
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Portico
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Preserved
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2026-02-12
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Preserved : 1976: 51(4), 1976: 52(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1985/1986: 61(1-8), 1986/1987: 62(1-8), 1987/1988: 63(1-8), 1988/1989: 64(1-8), 1989/1990: 65(1-6), 1990/1991: 66(1-6), 1991/1992: 67(1-6), 1992/1993: 68(1-6), 1993/1994: 69(1-6), 1994/1995: 70(1-6), 1995/1996: 71(1-6), 1996/1997: 72(1-6), 1997: 73(1-2), 1998: 74(1-2), 1999: 75(1-2), 2000: 76(1-2), 2001: 77(1-2), 2002: 78(1-2), 2003/2004: 79(1-6), 2004/2005: 80(1-6), 2005/2006: 81(1-6), 2006/2007: 82(1-6), 2007/2008: 83(1-6), 2008/2009: 84(1-6), 2009/2010: 85(1-6), 2011: 86(1-6), 2012: 87(1-6), 2013: 88(1-6), 2014: 89(1-8), 2015: 90(1-8), 2016: 91(1-8), 2017: 92(1-8), 2018: 93(1-8), 2019: 94(1-8), 2020: 95(1-8), 2021: 96(1-8), 2022: 97(1-8), 2023: 98(1-8), 2024: 99(1-8), 2025: 100(1-8), 2026: 101(1)
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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); 8 (1, 3 to 6); 9 (1 to 8); 72 (3 to 6); 73 (1 to 6); 74 (1 to 6); 75 (1 to 6); 76 (1 to 6); 77 (1 to 6); 78 (1 to 6); 79 (1 to 6); 81 (3, 5); 82 (1, 2, 4 to 6); 83 (1 to 5); 84 (1 to 6); 85 (1 to 6); 86 (1 to 6); 87 (1 to 6); 88 (1 to 6); 89 (1 to 8); 91 (1 to 8); 92 (1 to 8); 93 (1 to 8); 94 (1 to 8); 95 (1 to 8); 96 (1 to 8); 97 (1 to 8); 98 (1 to 8); 99 (1 to 6, 7-8)
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Library of Congress
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Preserved
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2025-04-07
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90 (6); 92 (3 to 8); 93 (1 to 8); 94 (1 to 8); 95 (1 to 8); 96 (1 to 8); 97 (1 to 8); 98 (1 to 8); 99 (1 to 6)
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