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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, 5-6); 6 (1, 2, 3-4, 5, 6); 7 (1, 2, 3-4, 5, 6); 8 (1 to 6); 9 (1, 2-3, 4 to 6); 10 (1 to 6); 11 (1 to 4, 5-6); 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 8); 19 (1 to 8); 20 (1, 2, 3-4, 5 to 8); 21 (1 to 8); 22 (1 to 8); 23 (7); 24 (1 to 8); 25 (1 to 8); 26 (1 to 3, 6 to 8); 27 (1 to 8); 28 (1 to 8); 29 (1 to 6, 8); 30 (1 to 3, 5 to 8); 31 (1 to 7); 32 (1 to 8); 33 (1 to 8); 34 (1 to 6, 8); 35 (1 to 8); 36 (1 to 8); 37 (1 to 8); 38 (1 to 8); 39 (1 to 8); 40 (1, 2)
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LOCKSS Archive
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Preserved
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2026-04-27
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1 to 38
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CLOCKSS Archive
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Preserved
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2026-04-27
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22 to 31
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LOCKSS Archive
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In Progress
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2026-04-27
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39, 40
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CLOCKSS Archive
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Preserved
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2026-04-27
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ahead-of-print to 39
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Portico
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Preserved
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2026-04-23
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Preserved : 1992: 6(1-2, 5-6), 1993: 7(1-2, 5-6), 1994: 8(1-6), 1995: 9(1, 4-6), 1996: 10(1-6), 1997: 11(1-6), 1998: 12(1-6), 1999: 13(1-6), 2000: 14(1-6), 2001: 15(1-6), 2002: 16(1-6), 2003: 17(1-6), 2004: 18(1-8), 2005: 19(1-8), 2006: 20(1-8), 2007: 21(1-8), 2007/2008: 22(1-8), 2008/2009: 23(1-8), 2010: 24(1-8), 2011: 25(1-8), 2012: 26(1-8), 2013: 27(1-8), 2014: 28(1-8), 2015: 29(1-8), 2016: 30(1-8), 2017: 31(1-8), 2018: 32(1-8), 2019: 33(1-8), 2020: 34(1-8), 2021: 35(1-8), 2022: 36(1-8), 2023: 37(1-8), 2024: 38(1-8), 2025: 39(1-8), 2026: 40(1-2)
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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 : 1 (1-4); 2 (1-4); 3 (1-4); 4 (1-4); 5 (1-4, 5-6); 6 (1, 2, 3-4, 5, 6); 7 (1, 2, 3-4, 5, 6); 8 (1-6); 9 (1, 2-3, 4-6); 10 (1-6); 11 (1-4, 5-6); 12 (1-6); 13 (1-6); 14 (1-6); 15 (1-6); 16 (1-6); 17 (5, 6); 18 (1-8); 19 (1-4); 20 (1, 2, 5-8); 21 (1-8); 22 (1-8)
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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 8); 25 (1 to 8); 26 (1 to 8); 27 (1 to 8); 28 (1 to 8); 29 (1 to 8); 30 (1 to 8); 31 (1 to 8); 32 (1 to 8); 33 (1 to 8); 34 (1 to 8); 35 (1 to 8); 36 (1 to 8); 37 (1 to 8); 38 (1 to 7)
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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, 2, 3-4, 5 to 8); 3 (1 to 8); 11 (1 to 4, 5-6); 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 8); 19 (1 to 8); 21 (1 to 8); 22 (1 to 8); 23 (1 to 8); 24 (1 to 8); 25 (1 to 8); 26 (1 to 8); 27 (1 to 8); 28 (1 to 8); 29 (1 to 8); 31 (1 to 8); 32 (1 to 8); 33 (1 to 8); 34 (1 to 8); 35 (1 to 8); 36 (1 to 8); 37 (1 to 6); 38 (1 to 8); 39 (1, 3)
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