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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 4); 4 (1-2, 3, 4); 5 (1, 2, 3-4); 6 (1, 2, 3-4); 7 (1-2, 3, 4); 8 (1-2, 3-4); 9 (1-2, 3-4); 10 (1, 2, 3-4); 11 (1, 2-3, 4); 12 (1 to 4); 13 (1 to 4); 14 (1-2, 3, 4); 15 (1, 2-3); 16 (1); 17 (2 to 4); 18 (1 to 4); 19 (1, 4); 20 (1-2, 3-4); 21 (1 to 4); 22 (1 to 4); 23 (1-2, 3, 4); 24 (1-2, 3-4); 25 (1-2, 3, 4); 26 (1 to 4)
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Internet Archive
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Preserved
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2025-08-08
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11 to 18
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Portico
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Preserved
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2026-04-02
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Preserved : 2006: 12(4), 2006/2007: 13(1-4), 2006/2007: 14(1-4)
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LOCKSS Archive
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Preserved
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2026-04-06
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1 to 24
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CLOCKSS Archive
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Preserved
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2026-04-06
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1 to 26
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Portico
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Preserved
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2026-04-02
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Preserved : 1991/1992: 1(1-4), 1992/1993: 2(1-4), 1993/1994: 3(1-4), 1995: 4(1-4), 1996: 5(1-4), 1997: 6(1-2)
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Portico
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Preserved
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2026-04-02
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Preserved : 1999/2000: 7(1-4)
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Portico
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Preserved
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2026-04-02
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Preserved : 2001/2002: 9(1-4), 2002/2003: 10(1-4), 2003/2004: 11(1, 4), 2004/2005: 12(1-4), 2005/2006: 13(1-4), 2006/2007: 14(1-3), 2008: 15(1-3), 2009: 16(1-3), 2010: 17(1-3), 2011: 18(1-4), 2012: 19(1-4), 2013: 20(1-4), 2014: 21(1-4), 2015: 22(1-4), 2016: 23(1-4), 2017: 24(1-4), 2018: 25(1-4), 2020: 26(1-4)
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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 : 1 (2, 3-4); 2 (1-2, 3-4); 6 (1, 2, 3-4); 7 (1-2, 3, 4); 8 (1-2, 3-4); 9 (1-2, 3-4); 11 (1, 2-3, 4); 12 (1 to 4); 13 (1 to 4); 14 (1-2, 3, 4); 15 (1, 2-3, 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1-2, 3, 4); 24 (1-2, 3-4); 25 (1-2, 3, 4); 26 (1 to 4)
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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 : 1 (1-4); 2 (1-4); 3 (1-4); 4 (1-2, 3, 4); 5 (1, 2, 3-4); 6 (1, 2, 3-4); 7 (1-2, 3, 4); 8 (1-2, 3-4); 9 (1-2, 3-4); 10 (1, 2, 3-4); 11 (1, 2-3, 4); 12 (1-4); 13 (1-4); 14 (1-2, 3, 4); 15 (1, 2-3, 4)
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Library of Congress
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Preserved
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2025-04-07
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21 (3); 23 (1-2, 4); 24 (1-2, 3-4); 25 (1-2, 3, 4); 26 (1 to 4)
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