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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 9 (1 to 4); 10 (1 to 4); 11 (1-4); 12 (2-3, 4); 13 (1 to 4); 14 (1 to 4); 15 (1, 2, 3-4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 20 (1 to 4); 21 (1 to 4); 22 (1-2, 3-4); 23 (1, 2, 3-4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 30 (1 to 4); 31 (1 to 4); 32 (3, 5, 6, 12); 33 (6); 34 (1 to 4, 5-6); 35 (1-3, 4 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 40 (1 to 6); 41 (1 to 4, 5-6); 42 (1, 2, 3-4, 5-6); 43 (1)
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Internet Archive
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Preserved
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2025-08-08
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9
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Portico
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Preserved
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2026-04-02
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Preserved : 1999: 16(1-4), 2000: 17(1-4), 2001: 18(1-4), 2002: 19(1-4), 2003: 20(1-4), 2004: 21(1-4), 2005: 22(1-4), 2006: 23(1-4), 2007: 24(1-4), 2008: 25(1-4), 2009: 26(1-4), 2010: 27(1-4), 2011: 28(1-4), 2012: 29(1-4), 2013: 30(1-4), 2014: 31(1-4), 2015: 32(1-5)
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LOCKSS Archive
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Preserved
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2026-04-06
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16 to 29
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LOCKSS Archive
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Preserved
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2026-04-06
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9 to 41
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CLOCKSS Archive
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Preserved
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2026-04-06
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ahead-of-print, 9 to 42
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LOCKSS Archive
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In Progress
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2026-04-06
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42, 43
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Portico
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Preserved
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2026-04-02
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Preserved : 1991: 9(1-4), 1992: 10(1-4), 1993: 11(1-4), 1994: 12(1-4), 1995: 13(1-4), 1997: 14(1-4), 1998: 15(1-4), 1999: 16(1-4), 2000: 17(1-4), 2001: 18(1-4), 2002: 19(1-4), 2003: 20(1-4), 2004: 21(1-4)
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Portico
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Preserved
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2026-04-02
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Preserved : 2006: 23(1-2), 2007: 24(1-4), 2008: 25(1-4), 2009: 26(1-4), 2010: 27(1-4), 2011: 28(1-4), 2012: 29(1-4), 2013: 30(1-4), 2014: 31(1-4), 2015: 32(1-6), 2016: 33(1-6), 2017: 34(1-6), 2018: 35(1-6), 2019: 36(1-6), 2020: 37(1-6), 2021: 38(1-6), 2022: 39(1-6), 2023: 40(1-6), 2024: 41(1-6), 2025: 42(1-6), 2026: 43(1)
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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 : 3 (1 to 4); 23 (1, 2, 3-4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 31 (1 to 4); 32 (1-2, 3 to 6); 33 (1 to 3, 4-5, 6); 34 (1 to 4, 5-6); 35 (1-3, 4 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 5)
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Library of Congress
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Preserved
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2025-04-07
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34 (3 to 5-6); 35 (1-3, 4 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 40 (1 to 6); 41 (1 to 4)
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