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Internet Archive
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Preserved
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2025-08-08
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1 to 53
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : ONE; 1 (2 to 4); 2 (1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 10 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 20 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 30 (1 to 4); 31 (1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 4); 38 (1); 39 (4); 40 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 3); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 50 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1, 3, 4); 56 (1 to 4); 57 (1, 2, 4); 58 (1 to 3); 59 (1); 64 (2); 65 (3, 4); 66 (1)
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Portico
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Preserved
|
2026-04-02
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Preserved : 1961: 1(2)
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Portico
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Preserved
|
2026-04-02
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Preserved : 1970: 10(3)
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Portico
|
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Preserved
|
2026-04-02
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Preserved : 1975: 15(1)
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Portico
|
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Preserved
|
2026-04-02
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Preserved : 1990: 30(1)
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Portico
|
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Preserved
|
2026-04-02
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Preserved : 2000: 40(1-4), 2001: 41(1-4), 2002: 42(1-4), 2003: 43(1-4), 2004: 44(1-4), 2005: 45(1-4), 2006: 46(1-4), 2007: 47(1-4), 2008: 48(1-4), 2009: 49(1-4), 2010: 50(1-4), 2011: 51(1-4), 2012: 52(1-4), 2012/2013: 53(1-4), 2014/2015: 54(1-4), 2014/2015: 55(1-4), 2016/2017: 56(1-4), 2017: 57(1-4), 2018: 58(1-4), 2019: 59(1-4), 2020: 60(1-4), 2021: 61(1-4), 2022: 62(1-4), 2023: 63(1-4), 2024: 64(1-4), 2025: 65(1-4), 2026: 66(1)
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Portico
|
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Preserved
|
2026-04-02
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|
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Preserved : 2007: 19(1), 1980: 20(4)
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LOCKSS Archive
|
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Preserved
|
2026-04-06
|
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45 to 65
|
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CLOCKSS Archive
|
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Preserved
|
2026-04-06
|
|
|
48 to 58
|
|
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CLOCKSS Archive
|
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In Progress
|
2026-04-06
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59 to 65
|
|
|
LOCKSS Archive
|
|
In Progress
|
2026-04-06
|
|
|
66
|
|
|
National Digital Preservation Program, China
|
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Preserved
|
2025-12-04
|
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Preserved : ; 5 (1 to 4); 6 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (1, 3, 4); 64 (1 to 3); 65 (1 to 4)
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National Digital Preservation Program, China
|
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Preserved
|
2025-10-23
|
|
|
Preserved : ; 5 (1 to 4); 6 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (1, 3, 4); 64 (1 to 3); 65 (1, 2)
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National Library of the Netherlands
|
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Preserved
|
2024-12-15
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|
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Preserved : 7 (1); 23 (4); 24 (1, 4); 30 (1, 4); 31 (1); 32 (4)
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