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Internet Archive
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Preserved
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2026-07-13
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1 to 5
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Scholars Portal
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Preserved
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2026-06-02
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Preserved : 3 (2); 6 (1 to 3); 7 (1 to 3); 8 (1 to 3); 9 (1 to 3); 10 (1 to 3); 11 (1 to 3); 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); 19 (sup1, 1 to 6); 20 (1 to 6); 21 (sup1, 1 to 6); 22 (sup1, 1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (sup1, 1 to 6); 28 (1 to 6); 29 (1 to 6); 30 (1 to 6); 31 (1 to 6); 32 (1, 3 to 6); 33 (1 to 6); 34 (1 to 6); 35 (sup1, 1 to 6); 36 (1 to 6); 37 (sup1, 1 to 6); 38 (2 to 6); 39 (1 to 6); 40 (sup1, 1 to 3)
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Portico
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Preserved
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2026-07-16
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Preserved : 2006: 20(3)
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Portico
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Preserved
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2026-07-16
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Preserved : 2009: 23(4), 2010: 24(1-6), 2011: 25(1-6), 2012: 26(1-6), 2013: 27(1, S 1, 2, S 2, 3-6), 2014: 28(1-6), 2014/2015: 29(1-4)
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LOCKSS Archive
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Preserved
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2026-07-06
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6 to 38
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CLOCKSS Archive
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Preserved
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2026-07-06
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6 to 39
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LOCKSS Archive
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In Progress
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2026-07-06
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39, 40
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Portico
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Preserved
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2026-07-16
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Preserved : 1997: 11(1-3), 1998: 12(1-4), 1999: 13(1-4), 2000: 14(1-3), 2001: 15(1-4), 2002: 16(1-4), 2003: 17(1-4), 2004: 18(1-4), 2005: 19(1-6), 2006: 20(1-6), 2007: 21(1-6), 2008: 22(1-6), 2008: 22 Suppl 1, 2009: 23(1-6), 2010: 24(1-6), 2011: 25(1-6), 2012: 26(1-6), 2013: 27(1-6), 2014: 28(1-6), 2015: 29(1-6), 2016: 30(1-6), 2017: 31(1-6), 2018: 32(1-6), 2019: 33(1-6), 2020: 34(1-6), 2021: 35(1, sup1, 1, 2-6), 2022: 36(1-6), 2023: 37(1, sup1, 1, 2-6), 2024: 38(1-6), 2025: 39(1-6), 2026: 40(1, sup1, S 1, 2-4)
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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 : 2 (1 to 6); 3 (1 to 6); 11 (1 to 3); 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); 19 (sup1, 1 to 6); 21 (sup1, 1 to 6); 22 (sup1, 1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (sup1, 1 to 6); 28 (1 to 6); 29 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (sup1, 1 to 6); 36 (1 to 6); 37 (sup1, 1 to 6); 38 (1 to 6); 39 (1)
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Library of Congress
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Preserved
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2025-04-07
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24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (sup2, sup1, 1 to 6); 28 (1 to 6); 29 (1 to 6); 30 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (2 to 6); 34 (1 to 6); 35 (sup1, 1 to 6); 36 (1 to 6); 37 (sup1, 1 to 6); 38 (1 to 6)
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