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CLOCKSS Archive
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Preserved
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2026-02-09
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59 to 101
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 70 (1 to 12); 71 (, 1 to 12); 72 (, 1 to 7, 9 to 12); 73 (, 1 to 12); 74 (, 1 to 12); 75 (, 1 to 12); 76 (, 1 to 12); 77 (, 1 to 12); 78 (, 1 to 12); 79 (, 1 to 12); 80 (, 2 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 12); 87 (, 1 to 3, 5 to 12); 88 (, 1 to 12); 89 (, 1 to 12); 90 (, 1 to 4, 6 to 12); 91 (, 1 to 8, 10 to 12); 92 (, 1 to 12); 93 (, 1 to 12); 94 (, 1 to 12); 95 (, 1 to 4, 6, 7, 9 to 12); 96 (, 1 to 12); 97 (, 1 to 12); 98 (, 1 to 12); 99 (, 1 to 12); 100 (, 1 to 8); 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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39 to 88
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Portico
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Preserved
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2026-02-12
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Preserved : 1984: 59(1-12), 1985: 60(1-12), 1986: 61(1-12), 1987: 62(1-12), 1988: 63(1-12), 1989: 64(1-12), 1990: 65(1-12), 1991: 66(1-12), 1992: 67(1-12), 1993: 68(1-12), 1994: 69(1-12), 1995: 70(1-12), 1996: 71(1-12), 1997: 72(1-12), 1998: 73(1-12), 1999: 74(1-12), 2000: 75(1, 1, S, 2-12), 2001: 76(1-12), 2002: 77(1-12), 2003: 78(1-12), 2004: 79(1-4, 4, S, 5-12), 2005: 80(1-12), 2006: 81(1-12), 2007: 82(1-12), 2008: 83(1-12), 2009: 84(1-12), 2010: 85(1-12), 2011: 86(1-12), 2012: 87(1-12), 2013: 88(1-12), 2014: 89(1-12), 2015: 90(1-12), 2016: 91(1-12), 2017: 92(1-6, 8-12), 2018: 93(1-12), 2019: 94(1-12), 2020: 95(1-12), 2021: 96(1-6)
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LOCKSS Archive
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Preserved
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2026-02-09
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70 to 86
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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 : 26 (7); 59 (1-10, 11-12); 60 (1-12); 61 (1-12); 62 (1-12); 63 (1-12); 64 (1-12); 65 (1-12); 66 (1-12); 67 (1-12); 68 (1-12); 69 (1-12); 70 (1-12); 71 (1-12); 72 (1-12); 73 (1-12); 74 (1-12); 75 (1-12); 76 (1-12); 77 (1-12); 78 (1-12); 79 (1-12); 80 (1-12); 81 (1-12); 82 (1-12); 83 (1-12); 84 (1-12); 85 (1-12); 86 (1-12); 87 (1-12); 88 (1-12); 89 (1-12); 90 (1-12); 91 (1-12); 92 (1-12); 93 (1-12); 94 (1-11); 134 (C)
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