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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (1 to 7); II (1 to 8); III (1 to 8); IV (1 to 7); V (1 to 8); VI (1 to 4); VII (1 to 4); VIII (1 to 4); IX (1 to 4); X (1 to 4); XI (1 to 4); XII (1 to 4); XIII (1 to 4); XIV (1 to 4); XV (1 to 4); XVI (1 to 4); XVII (1 to 4); XVIII (1 to 4); XIX (1 to 4); XX (1 to 3); XXI (1 to 3); XXIII (1 to 3); XXIV (1 to 3); XXVI (1 to 3); XXVII (1 to 3); XXVIII (1 to 4); XXIX (1 to 4); XXX (1 to 4); XXXI (1 to 4); XXXII (1 to 4); XXXIII (1 to 4); XXXV (1 to 4); 36 (1 to 4); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 40 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 60 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (1 to 4); 66 (1 to 4); 67 (1 to 4); 68 (2 to 4); 69 (1 to 4); 70 (1 to 4); 71 (1 to 4); 72 (1, 2, 4); 73 (1 to 3); 74 (1, 3, 4); 75 (1 to 4); 76 (1 to 3); 77 (1 to 3); 78 (1, 2); 79 (1, 4); 80 (1)
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Internet Archive
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Preserved
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2025-08-08
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1 to 67
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Portico
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Preserved
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2026-04-02
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Preserved : 1990: 44(1-4), 1991: 45(1-4), 1992: 46(1-4), 1993: 47(1-4), 1994: 48(1-4), 1995: 49(1-4), 1996: 50(1-4), 1997: 51(1-4), 1998: 52(1-4), 1999: 53(1-4), 2000: 54(1-4), 2001: 55(1-4), 2002: 56(1-4), 2003: 57(1-4), 2004: 58(1-4), 2005: 59(1-4), 2006: 60(1-4), 2007: 61(1-4), 2008: 62(1-4), 2009: 63(1-4), 2009/2010: 64(1-4), 2010/2011: 65(1-4), 2012: 66(1-4), 2013: 67(1-4), 2014: 68(1-4), 2014/2015: 69(1-4), 2016: 70(1-4), 2016/2017: 71(1-4), 2018: 72(1-4), 2019: 73(1-4), 2020: 74(1-4), 2021: 75(1-4), 2022: 76(1-4), 2023: 77(1-4), 2024: 78(1-4), 2025: 79(1-4), 2026: 80(1)
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LOCKSS Archive
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Preserved
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2026-04-06
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59 to 78
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CLOCKSS Archive
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Preserved
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2026-04-06
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62 to 73
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CLOCKSS Archive
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In Progress
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2026-04-06
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74 to 79
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LOCKSS Archive
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In Progress
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2026-04-06
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79, 80
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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 : ; 6 (1 to 4); 7 (1 to 4); 55 (2); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (1 to 4); 66 (1 to 4); 67 (1 to 4); 68 (1 to 4); 69 (1 to 4); 71 (1 to 4); 72 (1 to 4); 73 (1 to 4); 74 (1 to 4); 75 (1 to 4); 76 (1 to 4); 77 (1 to 3); 78 (1 to 3); 79 (1 to 3)
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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 : ; 6 (1 to 4); 7 (1 to 4); 55 (2); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (1 to 4); 66 (1 to 4); 67 (1 to 4); 68 (1 to 4); 69 (1 to 4); 71 (1 to 4); 72 (1 to 4); 73 (1 to 4); 74 (1 to 4); 75 (1 to 4); 76 (1 to 4); 77 (1 to 3); 78 (1 to 3); 79 (1 to 3)
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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 : os-XVI (3); 1 (1-7); II (1-8); IV (1-7); VII (1-4); IX (1-4); X (1-4); XI (1-4); XII (1-4); XIII (1-4); XIV (1-4); XV (1-4); XVI (1-4); XVII (1-4); XVIII (1-4); XIX (1-4); XX (1-3); XXI (1-3); XXIII (1-3); XXIV (1-3); XXVI (1-3); XXVII (1-3); XXVIII (1-4); XXX (1-4); XXXI (1-4); XXXII (1-4); XXXIII (1-4); XXXV (1-4); 36 (1-4); 37 (1-4); 38 (1-4); 39 (1-4); 40 (1-4); 41 (1-4); 42 (1-4); 43 (1-4); 44 (1-4); 45 (1-4); 46 (1-4); 47 (1-4); 48 (1-4); 49 (1-4)
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British Library
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Preserved
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2019-09-18
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Preserved : 68 (1 to 3), 69 (1 to 2; 4), 70 (1; 3 to 4), 71 (1 to 2; 4), 72 (2 to 4), 73 (1 to 2)
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