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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, 2); 2 (1 to 4); 3 (2 to 4); 4 (1 to 3); 5 (1 to 4); 6 (1 to 3); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 10 (1 to 4); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (1 to 6); 20 (1 to 6); 21 (1 to 6); 22 (1 to 6); 23 (1 to 3, 5, 6); 24 (1 to 6); 25 (1 to 3, 5, 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 8); 30 (1 to 8); 31 (1 to 8); 32 (1)
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Internet Archive
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Preserved
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2025-08-08
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7 to 8
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CLOCKSS Archive
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Preserved
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2026-04-06
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1 to 32
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Portico
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Preserved
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2026-04-09
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Preserved : 1995: 1(1-2), 1996: 2(1-4), 1997: 3(1-4), 1998: 4(1-2), 1999: 5(1-2), 2000: 6(1-2), 2001: 7(1-2), 2002: 8(1-2), 2003: 9(1-2), 2004: 10(1-2), 2005: 11(1-4), 2006: 12(1-4), 2007: 13(1-4), 2008: 14(1-6), 2009: 15(1-6), 2010: 16(1-6), 2011: 17(1-6), 2012: 18(1-6), 2013: 19(1-6), 2014: 20(1-6), 2015: 21(1-6), 2016: 22(1-6), 2017: 23(1-6), 2018: 24(1-6), 2019: 25(1-6), 2020: 26(1-6), 2021: 27(1-6), 2022: 28(1-6), 2023: 29(1-8), 2024: 30(1-8), 2025: 31(1-8), 2026: 32(1-2)
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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 6); 3 (1 to 8); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (1 to 6); 21 (1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 8); 31 (1 to 5)
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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 6); 3 (1 to 8); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (1 to 6); 21 (1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 8); 31 (1 to 5)
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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 : 12 (1-6); 13 (1-6)
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Library of Congress
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Preserved
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2025-04-07
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17 (1 to 6); 18 (1 to 6); 19 (1 to 6); 20 (1 to 6); 21 (1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (1 to 5); 25 (3 to 6); 26 (1, 2, 4 to 6); 27 (1 to 6); 28 (1 to 6); 29 (5 to 8); 30 (2, 3)
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