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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 13 (1); 19 (2 to 4); 20 (s1, 1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 30 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 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 6); 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (1 to 6); 46 (1)
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Internet Archive
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Preserved
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2025-08-08
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26
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CLOCKSS Archive
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Preserved
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2026-04-06
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13 to 46
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Portico
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Preserved
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2026-04-09
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Preserved : 1993: 13(1-4), 1994: 14(1-4), 1995: 15(1-4), 1996: 16(1-4), 1997: 17(1-4), 1998: 18(1-4), 1999: 19(1-4), 2000: 20(1-4), 2001: 21(1-4), 2002: 22(1-4), 2003: 23(1-4), 2004: 24(1-4), 2005: 25(1-4), 2006: 26(1-6), 2007: 27(1-6), 2008: 28(1-6), 2009: 29(1-6), 2010: 30(1-6), 2011: 31(1-6), 2012: 32(1-6), 2013: 33(1-6), 2014: 34(1-6), 2015: 35(1-6), 2016: 36(1-6), 2017: 37(1-6), 2018: 38(1-6), 2019: 39(1-6), 2020: 40(1-6), 2021: 41(1-6), 2022: 42(1-6), 2023: 43(1-6), 2024: 44(1-6), 2025: 45(1-6), 2026: 46(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 : 26 (1-6); 27 (1-6)
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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 : 2 (, 1 to 4); 3 (1 to 6); 4 (1 to 6); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 6); 27 (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 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 41 (1 to 6); 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (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 4); 3 (1 to 6); 4 (1 to 6); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 6); 27 (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 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 41 (1 to 6); 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (1, 2, 4, 5)
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Library of Congress
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Preserved
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2025-04-07
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33 (4); 34 (1 to 6); 35 (1 to 6); 36 (1 to 3, 5, 6); 37 (1 to 3, 6); 38 (1 to 3, 5, 6); 39 (1, 4 to 6); 40 (1 to 4); 41 (1 to 6); 42 (1 to 6); 43 (4, 5); 44 (2)
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