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Scholars Portal
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Preserved
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2026-03-19
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Preserved : (none); 1 (1, 2); 2 (1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1, 2); 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); 20 (none); 23; 24; 25
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Internet Archive
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Preserved
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2025-08-08
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1 to 5
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Portico
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Preserved
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2026-04-23
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Preserved : 1996: 1(1-2), 1997: 2(1-4), 1998: 3(1-4), 1999: 4(1-4), 2000: 5(1-4), 2001: 6(1-2), 2002/2003: 7(1-4), 2003/2004: 8(1-4), 2004/2005: 9(1-4), 2005/2006: 10(1-4), 2006/2007: 11(1-4), 2007/2008: 12(1-4), 2008/2009: 13(1-4), 2009/2010: 14(1-4), 2010/2011: 15(1-4), 2011/2012: 16(1-4), 2012/2013: 17(1-4), 2013/2014: 18(1-4)
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CLOCKSS Archive
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Preserved
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2026-04-13
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1 to 74
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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 4); 2 (1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1, 2); 7 (1 to 4); 8 (1 to 4); 9 (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)
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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 4); 2 (1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1, 2); 7 (1 to 4); 8 (1 to 4); 9 (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)
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