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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, 2); 2 (1, 2); 3 (1, 2); 4 (1, 2); 5 (1, 2); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 10 (1 to 4); 11 (1 to 4); 12 (1 to 5); 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 12); 29 (1 to 12); 30 (1 to 12); 31 (1 to 12); 32 (1 to 12); 33 (1 to 12); 34 (1 to 12); 35 (1 to 12); 36 (1 to 12); 37 (1 to 12); 38 (1 to 12); 39 (1 to 12); 40 (1 to 12); 41 (1 to 14); 42 (1 to 14); 43 (1 to 4)
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CLOCKSS Archive
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Preserved
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2026-04-13
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1 to 43
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Portico
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Preserved
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2026-04-23
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Preserved : 1984: 1(1-2), 1985: 2(1-2), 1986: 3(1-2), 1987: 4(1-2), 1988: 5(1-2), 1989: 6(1-4), 1990: 7(1-4), 1991: 8(1-4), 1992: 9(1-4), 1993: 10(1-4), 1994: 11(1-4), 1995: 12(1-5), 1996: 13(1-6), 1997: 14(1-6), 1998: 15(1-6), 1999: 16(1-6), 2000: 17(1-6), 2001: 18(1-6), 2002: 19(1-6), 2003: 20(1-6), 2004: 21(1-6), 2005: 22(1-6), 2006: 23(1-6), 2007: 24(1-6), 2008: 25(1-6), 2009: 26(1-6), 2010: 27(1-6), 2011: 28(1-12), 2012: 29(1-9, 12), 2013: 30(1-9, 11-12), 2014: 31(1-9, 11-12), 2015: 32(3-12), 2016: 33(1-12), 2017: 34(1-12), 2018: 35(1-12), 2019: 36(1-12), 2020: 37(1-12), 2021: 38(1-12), 2022: 39(1-12), 2023: 40(2-12), 2024: 41(1-12), 2025: 42(1-2, 4-14), 2026: 43(1-5)
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LOCKSS Archive
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In Progress
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2026-04-13
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29, 36
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LOCKSS Archive
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Preserved
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2026-04-13
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30 to 35
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Library of Congress
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Preserved
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2025-04-07
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34 (11, 12); 35 (11, 12); 36 (1 to 12); 37 (1 to 12); 38 (1 to 8, 10 to 12); 39 (1 to 12); 40 (1 to 12); 41 (1 to 12)
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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 6); 3 (1 to 9, 11, 12); 4 (1 to 9, 11, 12); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (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 9, 11, 12); 29 (1 to 9, 11, 12); 31 (1 to 9, 11, 12); 32 (1 to 9, 11, 12); 33 (1 to 9, 11, 12); 34 (1 to 9, 11, 12); 35 (1 to 9, 11, 12); 36 (1 to 9, 11, 12); 37 (1 to 9, 11, 12); 38 (1 to 9, 11, 12); 39 (1 to 9, 11, 12); 41 (1 to 9, 11 to 14)
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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 6); 3 (1 to 9, 11, 12); 4 (1 to 9, 11, 12); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (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 9, 11, 12); 29 (1 to 9, 11, 12); 31 (1 to 9, 11, 12); 32 (1 to 9, 11, 12); 33 (1 to 9, 11, 12); 34 (1 to 9, 11, 12); 35 (1 to 9, 11, 12); 36 (1 to 9, 11, 12); 37 (1 to 9, 11, 12); 38 (1 to 9, 11, 12); 39 (1 to 9, 11, 12); 41 (1 to 9, 11 to 14)
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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 : 17 (2); 23 (6); 24 (2-6); 25 (1-6); 26 (1-6); 27 (1-6); 28 (1-12); 29 (1-12); 30 (1-12); 31 (1-12); 32 (1-12); 33 (1-12); 34 (1-12); 35 (1-12); 36 (1-4, 6-11)
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