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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 37 (3); 48 (, 1, 2-3, 4 to 6); 49 (, 1 to 6); 50 (, 1 to 6); 51 (, 1 to 6); 52 (, 1 to 8); 53 (, 1 to 8); 54 (, 1 to 8); 55 (, 1-2, 3 to 8); 56 (, 1 to 5, 6-7, 8); 57 (, 1 to 8); 58 (, 1, 2/3, 4 to 8); 59 (, 1 to 8); 60 (, 1 to 8); 61 (, 1/2, 3 to 8); 62 (, 1 to 3, 4-5, 6-7, 8); 63 (, 1, 2-3, 4 to 8); 64 (, 1, 2, 3-4, 5 to 8); 65 (, 1, 2-3, 4 to 8); 66 (, 1 to 8); 67 (, 1 to 8); 68 (, 1 to 6, 7-8); 69 (, 1 to 8); 70 (, 1 to 10); 71 (, 1 to 10); 72 (, 1 to 10); 73 (, 1 to 10); 74 (, 1 to 10); 75 (, 1 to 12); 76 (, 1 to 12); 77 (, 1 to 12); 78 (, 1 to 12); 79 (, 1 to 12); 80 (, 1 to 12); 81 (, 4, 7 to 12); 82 (, 1 to 12); 83 (, 1 to 12); 84 (, 1 to 4); 1973; 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
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Internet Archive
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Preserved
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2025-08-08
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10 to 68
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 57, 59 to 81
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Portico
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Preserved
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2026-02-12
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Preserved : 1940: 6(1)
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Portico
|
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Preserved
|
2026-02-12
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Preserved : 1963: 26(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1971: 35(2)
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Portico
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Preserved
|
2026-02-12
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Preserved : 1973: 37(1, 3)
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Portico
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Preserved
|
2026-02-12
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Preserved : 1986: 48(1-6), 1987: 49(1-6), 1988: 50(1, S 1, 2-6), 1989: 51(1, S 1, 2-6), 1989/1990: 52(1-8), 1991: 53(1-8), 1991/1992: 54(1-8), 1992/1993: 55(1-8), 1994/1995: 56(1-8), 1995/1996: 57(1-8), 1996/1997: 58(1-8), 1997/1998: 59(1-8), 1998/1999: 60(1-8), 1999/2000: 61(1-8), 2000/2001: 62(1-8), 2001/2002: 63(1-8), 2002: 64(1-8), 2003: 65(1-8), 2004: 66(1-8), 2004/2005: 67(1-8), 2005/2006: 68(1-8), 2006/2007: 69(1-8), 2007/2008: 70(1-10), 2009: 71(1-10), 2010: 72(1-10), 2011: 73(1-10), 2012: 74(1-7, 10), 2013: 75(1-9, 11-12), 2014: 76(1-12), 2015: 77(1, 3-12), 2016: 78(1-12), 2017: 79(1-12), 2018: 80(1-12), 2019: 81(1-12), 2020: 82(1-12), 2021: 83(1-12), 2022: 84(1-4)
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Scholars Portal
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Preserved
|
2025-09-02
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Preserved : 84 (5 to 12); 85 (, 1 to 12); 86 (, 1 to 12); 87 (, 1 to 7); 2022; 2023; 2024; 2025
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National Digital Preservation Program, China
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Preserved
|
2025-10-23
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Preserved : 6 (1 to 8); 7 (1 to 9); 8 (1 to 9, 11, 12); 58 (6 to 8); 59 (1 to 8); 61 (1, 3 to 8); 62 (1 to 4, 6, 8); 63 (1, 2, 4 to 8); 64 (1 to 3, 5 to 8); 65 (1, 2, 4 to 8); 66 (1 to 8); 67 (1 to 8); 68 (1 to 7); 69 (1 to 8); 71 (1 to 9); 72 (1 to 9); 73 (1 to 9); 74 (1 to 9); 75 (1 to 9, 11, 12); 76 (1 to 9, 11, 12); 77 (1 to 9, 11, 12); 78 (1 to 9, 11, 12); 79 (1 to 9, 11, 12); 81 (1 to 9, 11, 12); 82 (1 to 9, 11, 12); 83 (1 to 9, 11, 12); 84 (1 to 9, 11, 12); 85 (1 to 9, 11, 12); 86 (1 to 9, 11, 12)
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National Digital Preservation Program, China
|
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Preserved
|
2025-12-04
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Preserved : 6 (1 to 8); 7 (1 to 9); 8 (1 to 9, 11, 12); 58 (6 to 8); 59 (1 to 8); 61 (1, 3 to 8); 62 (1 to 4, 6, 8); 63 (1, 2, 4 to 8); 64 (1 to 3, 5 to 8); 65 (1, 2, 4 to 8); 66 (1 to 8); 67 (1 to 8); 68 (1 to 7); 69 (1 to 8); 71 (1 to 9); 72 (1 to 9); 73 (1 to 9); 74 (1 to 9); 75 (1 to 9, 11, 12); 76 (1 to 9, 11, 12); 77 (1 to 9, 11, 12); 78 (1 to 9, 11, 12); 79 (1 to 9, 11, 12); 81 (1 to 9, 11, 12); 82 (1 to 9, 11, 12); 83 (1 to 9, 11, 12); 84 (1 to 9, 11, 12); 85 (1 to 9, 11, 12); 86 (1 to 9, 11, 12)
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National Library of the Netherlands
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Preserved
|
2024-12-15
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Preserved : 62 (2, 4-5, 6-7, 8); 63 (1, 2-3, 4-8); 64 (1, 2, 3-4, 5-8); 65 (1, 2-3, 4); 67 (7); 68 (2, 6, 7-8); 69 (1, 2, 4-8); 70 (1-10); 71 (1-10); 72 (1-10); 73 (1-10); 74 (1-10); 75 (1-12); 76 (1-12); 77 (1-12); 78 (1-12); 79 (1, 2, 4-12); 80 (1-12); 81 (1-4, 6, 8-10)
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Library of Congress
|
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Preserved
|
2025-04-07
|
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|
72 (1 to 10); 73 (1 to 10); 74 (1 to 10); 75 (1 to 12); 76 (1 to 12); 77 (1 to 12); 78 (1 to 12); 79 (1 to 12); 80 (1 to 12); 81 (1 to 12); 82 (1 to 12); 83 (1 to 12); 84 (1 to 12); 85 (1 to 12); 86 (1 to 11)
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