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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 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 6); 24 (1 to 6); 25 (1 to 6); 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 4)
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Internet Archive
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Preserved
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2025-08-08
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1 to 21
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CLOCKSS Archive
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Preserved
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2026-04-13
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1 to 33
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LOCKSS Archive
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In Progress
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2026-04-13
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19, 26
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LOCKSS Archive
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Preserved
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2026-04-13
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20 to 25
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Portico
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Preserved
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2026-04-16
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Preserved : 1994: 1(1-4), 1995: 2(1-4), 1996: 3(1-4), 1997: 4(1-4), 1998: 5(1-4), 1999: 6(1-4), 2000: 7(1-4), 2001: 8(1-4), 2002: 9(1-4), 2003: 10(1-4), 2004: 11(1-6), 2005: 12(1-6), 2006: 13(1-6), 2007: 14(1-6), 2008: 15(1-6), 2009: 16(1-6), 2010: 17(1-6), 2011: 18(1-6), 2012: 19(1-6), 2013: 20(1-6), 2014: 21(1-6), 2015: 22(1-6), 2016: 23(1-6), 2017: 24(1-6), 2018: 25(1-6), 2019: 26(1-6), 2020: 27(1-6), 2021: 28(1-6), 2022: 29(1-6), 2023: 30(1-6), 2024: 31(1-6), 2025: 32(1-6), 2026: 33(1-4)
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Library of Congress
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Preserved
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2025-04-07
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23 (1); 24 (1, 6); 25 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 30 (1 to 6); 31 (1 to 4)
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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 5); 3 (1 to 6); 19 (1 to 6); 31 (1 to 6)
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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 5); 3 (1 to 6); 19 (1 to 6); 31 (1 to 6)
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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 : 6 (2, 3); 9; 10 (2); 11 (1); 12 (2); 13 (4); 14; 15 (1-6); 16 (1-6); 17 (1-6); 18 (1-6); 19 (1-6); 20 (1-6); 21 (1-6); 22 (1-6); 23 (1-6); 24 (1-6); 25 (1-6); 26 (1-5)
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