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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 to 4); 2 (1 to 4); 3 (1 to 4); 4 (1 to 3); 5 (1 to 3); 6 (1-2, 3); 7 (1 to 3); 8 (1 to 3); 9 (1 to 3); 10 (1 to 3); 11 (1 to 3); 12 (1 to 3); 13 (1 to 3); 14 (1 to 3); 15 (1 to 3); 16 (1, 2-3); 17 (1 to 3); 18 (1 to 3); 19 (1, 2-3); 20 (1 to 3); 21 (1 to 3); 22 (1 to 3); 23 (1 to 3); 24 (1, 2-3); 25 (1 to 3); 26 (1 to 3); 27 (1 to 3); 28 (1 to 3); 29 (1-2, 3, 4); 30 (1-2, 3, 4); 31 (1-2, 3, 4); 32 (1-2, 3, 4); 33 (1-2, 3, 4); 34 (1-2, 3, 4); 35 (1-2, 3, 4); 36 (1-2, 3, 4); 37 (1-2, 3, 4)
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CLOCKSS Archive
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In Progress
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2026-04-06
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1 to 16, 28 to 37
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LOCKSS Archive
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In Progress
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2026-04-06
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1 to 14, 37
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Portico
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Preserved
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2026-04-09
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Preserved : 1988: 1(1-4), 1989: 2(1-4), 1990: 3(1-4), 1991: 4(1-3), 1992: 5(1-3), 1993: 6(1-3), 1995: 7(1-3), 1996: 8(1-3), 1997: 9(1-3), 1998: 10(1-3), 1999: 11(1-3), 2000: 12(1-3), 2001: 13(1-3), 2002: 14(1-3), 2003: 15(1-3), 2004: 16(1-3), 2005: 17(1-3), 2006: 18(1-3), 2007: 19(1-3), 2008: 20(1-3), 2009: 21(1-3), 2010: 22(1-3), 2011: 23(1-3), 2012: 24(1-3), 2013: 25(1-3), 2014: 26(1-3), 2015: 27(1-3), 2016: 28(1-3), 2017: 29(1-4), 2018: 30(1-4), 2019: 31(1-4), 2020: 32(1-4), 2021: 33(1-4), 2022: 34(1-4), 2023: 35(1-4), 2024: 36(1-4), 2025: 37(1-4)
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LOCKSS Archive
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Preserved
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2026-04-06
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15 to 36
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CLOCKSS Archive
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Preserved
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2026-04-06
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17 to 27
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Library of Congress
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Preserved
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2025-04-07
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22 (1 to 3); 23 (1 to 3); 24 (1, 2-3); 25 (1 to 3); 26 (1 to 3); 27 (1 to 3); 28 (1 to 3); 29 (1-2, 3, 4); 30 (1-2, 3, 4); 31 (1-2, 3, 4); 32 (1-2, 3, 4); 33 (1-2, 3, 4); 34 (1-2, 3, 4); 35 (1-2, 3, 4); 36 (1-2, 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 (1-4); 3 (1-4); 4 (1-3); 5 (1-3); 6 (1, 3); 7 (1-3); 8 (1-3); 9 (1-3); 10 (1-3); 11 (1-3); 12 (1-3); 13 (1-3); 14 (1-3); 15 (1-3); 16 (1, 2-3); 17 (1-3); 18 (1-3); 19 (1, 2-3); 20 (1-3); 21 (1-3); 22 (1-3); 23 (1, 3); 24 (1, 2-3); 25 (1-3); 26 (1-3); 27 (1, 3); 28 (1-3); 29 (1-2, 3, 4); 30 (1-2, 3, 4); 31 (1-2, 3, 4)
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British Library
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Preserved
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2019-09-18
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Preserved : 26 (1 to 3), 27 (1 to 3), 28 (1 to 3), 29 (3 to 4), 30 (3)
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