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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 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 10 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1-2, 3 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 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)
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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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In Progress
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2026-04-13
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CLOCKSS Archive
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Preserved
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2026-04-13
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1 to 25
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Portico
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Preserved
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2026-04-16
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Preserved : 1993: 6(4)
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Portico
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Preserved
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2026-04-16
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Preserved : 1996: 9(2), 1997: 10(1-6), 1998/1999: 11(1-6), 1999/2000: 12(1-6), 2000/2001: 13(1-6), 2001/2002: 14(1-6), 2002/2003: 15(1-6), 2003/2004: 16(1-6), 2004/2005: 17(1-6), 2005: 18(1-4), 2006: 19(1-4), 2007: 20(1-4), 2008: 21(1-4), 2009: 22(1-4), 2010: 23(1-4), 2011: 24(1-4), 2012: 25(1-4)
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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 : 1 (1 to 6); 2 (1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1, 3 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 4); 19 (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, 2, 3-4); 29 (1-2, 3, 4); 31 (1 to 4); 32 (1 to 4); 33 (1, 2, 3-4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (1 to 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 (1 to 6); 2 (1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1, 3 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 4); 19 (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, 2, 3-4); 29 (1-2, 3, 4); 31 (1 to 4); 32 (1 to 4); 33 (1, 2, 3-4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (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 : 9 (3-6); 10 (1-6); 11 (1-6); 12 (1-6); 13 (1-6); 14 (1-2, 3-6); 15 (1-6); 16 (1-6); 17 (1-6); 18 (1-4); 19 (1-4); 20 (1-4); 21 (1-4); 22 (1-4); 23 (1-4); 24 (1-4); 25 (1-4)
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