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CLOCKSS Archive
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Preserved
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2026-05-25
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1 to 29
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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 4); 2 (1 to 4); 3 (1 to 6); 4 (S1, 1 to 6); 5 (1 to 6); 6 (1 to 6); 7 (1 to 6); 8 (S1, 1 to 6); 9 (1, 2, 6); 11 (4); 12 (1, 2); 14 (1); 15 (2-3, 4); 16 (1, 2-3, 4); 17 (1); 18 (3-4); 19 (1 to 4); 20 (1 to 4); 21 (1, 2, 3-4)
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Internet Archive
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Preserved
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2025-08-08
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1 to 9
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LOCKSS Archive
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Preserved
|
2026-05-25
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1 to 23, 26
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CLOCKSS Archive
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Preserved
|
2026-05-25
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1 to 27
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Portico
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Preserved
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2026-05-28
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Preserved : 2011: 22(1, ), 2012: 23(23, )
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Portico
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Preserved
|
2026-05-28
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Preserved : 2013: 24, 2014: 25, 2015: 26, 2016: 27
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Portico
|
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Preserved
|
2026-05-28
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Preserved : 2009: 21(3-4)
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|
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LOCKSS Archive
|
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Preserved
|
2026-05-25
|
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24, 25, 27 to 29
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Portico
|
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Preserved
|
2026-05-28
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Preserved : 1988: 1(1-4), 1989: 2(1-4), 1990: 3(1-6), 1991: 4(1-6), 1992: 5(1-6), 1993: 6(1-6), 1994: 7(1-6), 1995: 8(1-6), 1996: 9(1-6), 1998/1999: 10(1-4), 1999: 11(1-4), 2000: 12(1-4), 2001: 13(1-4), 2002: 14(1-4), 2003: 15(1-4), 2004: 16(1-4), 2005: 17(1-4), 2006: 18(1-4), 2007: 19(1-4), 2008: 20(1-4), 2009: 21(1-4), 2011: 22(1), 2012: 23(1), 2013: 24(1), 2014: 25(1), 2015: 26(1), 2016: 27(1), 2017: 28(1, sup1), 2018: 29(1-2)
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
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Preserved : 1 (1, 2, 3-4); 2 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1, 2-3, 4); 16 (1, 2-3, 4); 17 (1 to 4); 18 (1, 2, 3-4); 19 (1 to 4); 21 (1, 2, 3-4); 22 (1); 23; 24; 25; 26; 27; 28 (sup1, 1); 29 (2)
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Library of Congress
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Preserved
|
2025-04-07
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22 (1); 23 (1); 24 (1); 25 (1); 26 (1); 27 (1); 28 (sup1, 1); 29 (2)
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Scholars Portal
|
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Preserved
|
2026-03-19
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Preserved : 19 (4); 21 (1); 22; 23; 24; 25; 26; 27; 28 (sup1, 1); 29 (2)
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