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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); 6 (2_suppl); 9 (1_suppl); 10; 12; 14 (2); 16 (3); 17; 18 (4); 19 (1); 20 (2 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 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 30 (1_suppl, 2 to 4); 31 (1 to 4)
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CLOCKSS Archive
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Preserved
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2026-05-18
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20, 21
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LOCKSS Archive
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Preserved
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2026-05-18
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20 to 30
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CLOCKSS Archive
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In Progress
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2026-05-18
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22 to 31
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LOCKSS Archive
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In Progress
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2026-05-18
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31
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Portico
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Preserved
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2026-05-21
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Preserved : 1995: 1(1-2), 1996: 2(1-3), 1997: 3(1-4), 1998: 4(1-4), 1999: 5(1, 1, S, 2, 2, S, 3, 3, S, 4), 2000: 6(1, 1, S, 2, 2, S, 3-4), 2001: 7(1-3, 3, S, 4), 2002: 8(1-4), 2003: 9(1, 1, S, 2, 2, S, 3-4), 2004: 10(1, 1, S, 2, 2, S, 3-4), 2005: 11(1-4), 2006: 12(1, 1, S, 2-4), 2007: 13(1-4), 2008: 14(1-4), 2009: 15(1-4), 2010: 16(1-4), 2011: 17(1-4), 2012: 18(1-4), 2013: 19(1-4), 2014: 20(1-4), 2015: 21(1-4), 2016: 22(1-4), 2017: 23(1-4), 2018: 24(1-4), 2019: 25(1-4), 2020: 26(1-4), 2021: 27(1-4), 2022: 28(1-4), 2023: 29(1-4), 2024: 30(1, 1, S, 2-4), 2025: 31(1-4)
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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 : ; 1 (1_suppl, 2_suppl); 2 (1 to 4); 6 (1_suppl, 2_suppl); 9 (1_suppl, 2_suppl); 12 (1_suppl); 14 (2); 16 (3); 17; 18 (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)
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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); 6 (2_suppl); 9 (1_suppl, 2_suppl); 10 (1_suppl, 2_suppl); 12 (1_suppl); 14 (2); 16 (3); 17; 18 (4); 20 (1-4); 21 (1-4); 22 (1-4); 23 (1-4); 24 (1-4); 25 (1-3)
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