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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 9 (1); 1999
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Internet Archive
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Preserved
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2025-08-08
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2 to 4
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 32
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CLOCKSS Archive
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In Progress
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2026-02-09
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1 to 33
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LOCKSS Archive
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In Progress
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2026-02-09
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1 to 18, 33
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Portico
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Preserved
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2026-02-12
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Preserved : 1990: 1(1-3), 1991: 2(1-4), 1992: 3(1-4), 1993: 4(1-4), 1994: 5(1-2), 1995: 6(1-4), 1996: 7(1-4), 1997: 8(1-4), 1999/2000: 9(1-4), 2001: 10(1-4), 2002: 11(1-4), 2003: 12(1-4), 2004: 13(1-4), 2005: 14(1-4), 2006: 15(1-4), 2007: 16(1-4), 2008: 17(1-4), 2009: 18(1-4), 2010: 19(1-4), 2011: 20(1-4), 2012: 21(1-4), 2013: 22(1-4), 2014: 23(1-4), 2016: 24(1-4), 2017: 25(1-4), 2018: 26(1-4), 2019: 27(1, 1, S, 2-4), 2020: 28(1-4), 2021: 29(1-4), 2022: 30(1-4), 2023: 31(1-4), 2024: 32(1-4), 2025: 33(1-4)
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LOCKSS Archive
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Preserved
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2026-02-09
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19 to 32
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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 to 3); 2 (1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1-2); 6 (2 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 11 (1-2, 3, 4); 12 (1-2, 3, 4); 13 (1-2, 3, 4); 14 (1-2, 3-4); 15 (1-2, 3, 4); 16 (1-2, 3-4); 17 (1-2, 3-4); 18 (1-2, 3, 4); 19 (1, 2-3, 4); 21 (1-2, 3-4); 22 (1-2, 3-4); 23 (1-2, 3-4); 24 (1-2, 3-4); 25 (1-2, 3-4); 26 (1 to 4); 27 (S1, 1 to 4); 28 (1 to 4); 29 (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 (1-3); 2 (1-4); 3 (1-4); 4 (1-4); 5 (1-2); 6 (2-4); 7 (1-4); 8 (1-4); 9 (1-4); 10 (1, 2, 3-4); 11 (1-2, 3, 4); 12 (1-2, 3, 4); 13 (1-2, 3, 4); 14 (1-2, 3-4); 15 (1-2, 3, 4); 16 (1-2, 3-4); 17 (1-2, 3-4); 18 (1-2, 3, 4); 19 (1, 2-3, 4); 21 (1-2, 3-4); 22 (1-2, 3-4); 23 (1-2, 3-4); 24 (1-2, 3-4); 25 (1-2, 3-4); 26 (1-4); 27 (1-3)
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