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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 7 (1, 2); 8 (1, 2); 9 (1, 2); 10 (1, 2); 11 (Suppl, 1 to 3); 12 (1, 2); 13 (1, 2); 14 (1, 2); 15 (1, 2); 16 (1, 2); 17 (1 to 4); 18 (1, 2, 3-4); 19 (1, 2, 3-4); 20 (1, 2, 3-4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 5); 29 (3 to 5); 30 (1 to 5); 31 (1 to 5); 32 (1 to 5); 33 (1 to 5); 34 (1 to 5); 35 (1 to 5); 36 (1, 2)
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CLOCKSS Archive
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Preserved
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2026-04-06
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7 to 36
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Portico
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Preserved
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2026-04-02
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Preserved : 1997: 7(1-2), 1998: 8(1-2), 1999: 9(1-2), 2000: 10(1-2), 2001: 11(1-2, S 2, 3), 2002: 12(1-2), 2003: 13(1-2), 2004: 14(1-2), 2005: 15(1-2), 2006: 16(1-2), 2007: 17(1-4), 2008: 18(1-4), 2009: 19(1-4), 2010: 20(1-4), 2011: 21(1-4), 2012: 22(1-2, 4), 2013: 23(1-2, 4), 2014: 24(1-4), 2015: 25(1-4), 2016: 26(1-4), 2017: 27(1-4), 2018: 28(1-5), 2019: 29(1-5), 2020: 30(1-5), 2021: 31(1-5), 2022: 32(1-5), 2023: 33(1-5), 2024: 34(1-5), 2025: 35(1-5), 2026: 36(1-2)
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LOCKSS Archive
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In Progress
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2026-04-06
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22, 29
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LOCKSS Archive
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Preserved
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2026-04-06
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23 to 28
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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 : 1 (1, 2); 2 (1 to 3); 3 (1 to 5); 7 (1, 2); 8 (1, 2); 9 (1, 2); 11 (1 to 3); 12 (1, 2); 13 (1, 2); 14 (1, 2); 15 (1, 2); 16 (1, 2); 17 (1 to 4); 18 (1 to 3); 19 (1 to 3); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 5); 29 (1 to 5); 31 (1 to 5); 32 (1 to 5); 33 (1 to 5); 34 (1 to 5)
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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 : 1 (1, 2); 2 (1 to 3); 3 (1 to 5); 7 (1, 2); 8 (1, 2); 9 (1, 2); 11 (1 to 3); 12 (1, 2); 13 (1, 2); 14 (1, 2); 15 (1, 2); 16 (1, 2); 17 (1 to 4); 18 (1 to 3); 19 (1 to 3); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 5); 29 (1 to 5); 31 (1 to 5); 32 (1 to 5); 33 (1 to 5); 34 (1 to 5)
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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 : 7 (1, 2); 8 (1, 2); 9 (1, 2); 10 (1, 2); 11 (supplement-2, 1, 2); 12 (supplement-1, 1, 2); 13 (1, 2); 14 (1, 2); 15 (1, 2); 16; 17 (1-4); 18 (1, 2, 3-4); 19 (1, 2, 3-4); 20 (1, 2, 3-4); 21 (1-4); 22 (1-4); 23 (1-4); 24 (1-4); 25 (1-4); 26 (1-4); 27 (1-4); 28 (1-5); 29 (1-4); 127 (C)
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Library of Congress
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Preserved
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2025-04-07
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27 (4); 28 (1 to 5); 29 (1 to 5); 30 (1 to 5); 31 (1 to 5); 32 (1 to 5); 33 (1 to 5); 34 (1 to 5)
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