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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 8 (3); 1996
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Internet Archive
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Preserved
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2025-08-08
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1 to 3
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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 36
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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 20, 36
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Portico
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Preserved
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2026-02-12
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Preserved : 1990: 1(1-4), 1991: 2(1-6), 1992: 3(1-6), 1993/1994: 4(1-3), 1994: 5(1-3), 1994/1995: 6(1-3), 1995: 7(1-3), 1996: 8(1-3), 1996: 9(1-3), 1997: 10(1-4), 1998: 11(1-4), 1999: 12(1-4), 2000: 13(1-4), 2001: 14(1-4), 2002: 15(1-4), 2003/2004: 16(1-4), 2005: 17(1-4), 2006: 18(1-4), 2007: 19(1-4), 2008: 20(1-4), 2009: 21(1-4), 2010: 22(1-4), 2011: 23(1-4), 2012: 24(1-4), 2013: 25(1-4), 2014: 26(1-4), 2015: 27(1, 1, S, 2-4), 2016: 28(1-4), 2017/2018: 29(1-4), 2019: 30(1-4), 2020: 31(1-4), 2021: 32(1-4), 2022: 33(1, 1, S, 2-4), 2023: 34(1-4), 2024: 35(1-4), 2025: 36(1-4)
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LOCKSS Archive
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Preserved
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2026-02-09
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21 to 35
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 35
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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 : 3 (2 to 4); 28 (1 to 4); 29 (1-2, 3-4); 31 (1 to 4); 32 (1 to 4); 33 (1 to 3)
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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 (1-4); 2 (1, 2-3, 4-6); 3 (1-4, 5-6); 4 (1-3); 5 (1, 2-3); 6 (1-3); 7 (1-3); 8 (1-3); 9 (1-3); 10 (1-4); 11 (1-4); 12 (1, 2, 3-4); 13 (1, 2-3, 4); 14 (1-2, 3-4); 15 (1-2, 3-4); 16 (1-4); 17 (1-2, 3-4); 18 (1-4); 19 (1-2, 3, 4); 20 (1-2, 3, 4); 21 (1-2, 3, 4); 22 (1-3); 23 (1, 3); 24 (4); 25 (1-4); 26 (1, 3, 4); 27 (s1, 1-4); 28 (1-4); 29 (1-2, 3-4); 30 (1, 2)
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