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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 33; 39 (1 to 10); 40 (1, 2_and_3, 4 to 10); 41 (1 to 8); 42 (1 to 8); 43 (1 to 6); 44 (1 to 6); 45 (1 to 6); 46 (1 to 6); 47 (1 to 6); 48 (:, 1 to 6); 49 (1 to 6); 50 (1, 2, 4 to 6); 51 (1 to 6); 52 (1 to 8); 53 (1 to 10); 54 (1 to 12); 55 (1 to 12); 56 (1 to 12); 57 (1 to 12); 58 (1 to 12); 59 (1 to 11); 60 (1 to 10); 61 (1 to 6, 9, 12); 62 (1 to 4, 6, 9 to 12); 63 (1 to 9, 11, 12); 64 (1 to 12); 65 (1 to 12); 66 (1 to 10); 67 (1 to 5, 11, 12); 68 (1, 2, 9 to 12); 69 (1, 2)
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Internet Archive
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Preserved
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2025-08-08
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25 to 56
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Portico
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Preserved
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2026-04-23
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Preserved : 1958: 1(2)
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Portico
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Preserved
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2026-04-23
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Preserved : 1977: 20(3)
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Portico
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Preserved
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2026-04-23
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Preserved : 1990: 33(2), 1991: 34(4)
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Portico
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Preserved
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2026-04-23
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Preserved : 1993: 36(1, 4), 1994: 37(1-8), 1995: 38(1-7), 1996: 39(1-8), 1997: 40(1, 4-8), 1998: 41(1-8), 1999: 42(1-8), 2000: 43(1-6)
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Portico
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Preserved
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2026-04-23
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Preserved : 2001: 44(1-6), 2002: 45(1-3, 5-6), 2003: 46(1-6), 2004: 47(1-4, 6)
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Portico
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Preserved
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2026-04-23
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Preserved : 2005: 48(1-6), 2006: 49(1-6), 2007: 50(1-6), 2008: 51(1-6), 2009: 52(1-8), 2007/2008/2009/2010: 53(1-10), 2009/2010/2011: 54(1-12), 2012: 55(1-12), 2012/2013: 56(1-12), 2014: 57(1-12), 2014/2015: 58(1-12), 2014/2015/2016: 59(1-12), 2017: 60(1-12), 2018: 61(1-12), 2019: 62(1-12), 2020: 63(1-12), 2021: 64(1-12), 2022: 65(1-12), 2023: 66(1-12), 2024: 67(1-12), 2025: 68(1-12), 2026: 69(1-3)
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LOCKSS Archive
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Preserved
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2026-04-13
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49 to 67
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|
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CLOCKSS Archive
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Preserved
|
2026-04-13
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51 to 61, 69
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CLOCKSS Archive
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In Progress
|
2026-04-13
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|
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62 to 68
|
|
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LOCKSS Archive
|
|
In Progress
|
2026-04-13
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|
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68, 69
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British Library
|
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Preserved
|
2019-09-18
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|
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Preserved : 57 (1 to 6; 9; 11 to 12), 58 (1 to 12), 59 (1; 3; 5 to 11), 60 (1 to 5; 9), 61 (2 to 6; 9; 12), 62 (2)
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
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|
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Preserved : 2; 5 (1 to 6); 6 (1 to 9, 11, 12); 33 (2); 34 (4); 36; 43 (2); 44; 49 (1 to 6); 51 (1 to 6); 52 (1 to 8); 53 (1 to 9); 54 (1 to 9, 11, 12); 55 (1 to 9, 11, 12); 56 (1 to 9, 11, 12); 57 (1 to 9, 11, 12); 58 (1 to 9, 11, 12); 59 (1 to 9, 11, 12); 61 (1 to 9, 11, 12); 62 (1 to 9, 11, 12); 63 (1 to 9, 11, 12); 64 (1 to 9, 11, 12); 65 (1 to 9, 11, 12); 66 (1 to 4, 6 to 9, 11, 12); 67 (1, 2, 4, 5, 7 to 9, 11, 12); 68 (1 to 5, 7 to 9)
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National Digital Preservation Program, China
|
|
Preserved
|
2025-10-23
|
|
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Preserved : 2; 5 (1 to 6); 6 (1 to 9, 11, 12); 33 (2); 34 (4); 36; 43 (2); 44; 49 (1 to 6); 51 (1 to 6); 52 (1 to 8); 53 (1 to 9); 54 (1 to 9, 11, 12); 55 (1 to 9, 11, 12); 56 (1 to 9, 11, 12); 57 (1 to 9, 11, 12); 58 (1 to 9, 11, 12); 59 (1 to 9, 11, 12); 61 (1 to 9, 11, 12); 62 (1 to 9, 11, 12); 63 (1 to 9, 11, 12); 64 (1 to 9, 11, 12); 65 (1 to 9, 11, 12); 66 (1 to 4, 6 to 9, 11, 12); 67 (1, 2, 4, 5, 7 to 9, 11, 12); 68 (1 to 5, 7, 8)
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