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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 4); 5 (1 to 4); 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 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 20 (1 to 4); 21 (1 to 4); 22 (1 to 3); 23 (1, 2, 4 to 6); 24 (1 to 4, 6); 25 (1 to 6); 26 (1 to 6); 27 (1 to 8); 28 (1 to 8); 29 (1 to 8); 30 (1 to 8); 31 (1 to 8); 32 (1 to 8); 33 (1, 4 to 8); 34 (1, 2, 3-4, 5 to 8); 35 (1)
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Internet Archive
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Preserved
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2025-08-08
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4 to 19
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Portico
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Preserved
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2026-04-16
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Preserved : 1992: 1(1-4), 1993: 2(1-4), 1994: 3(1-4), 1995: 4(1-4), 1996: 5(1-4), 1997: 6(1-4), 1998: 7(1-4), 1999: 8(1-4), 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(1-6), 2015: 24(1-6), 2016: 25(1-6), 2017: 26(1-6), 2018: 27(1-8), 2019: 28(1-8), 2020: 29(1-8), 2021: 30(1)
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CLOCKSS Archive
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In Progress
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2026-04-13
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1 to 16, 25 to 28, 30 to 35
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LOCKSS Archive
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In Progress
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2026-04-13
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1 to 11, 35
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LOCKSS Archive
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Preserved
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2026-04-13
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12 to 34
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CLOCKSS Archive
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Preserved
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2026-04-13
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17 to 24, 29
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Portico
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Preserved
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2026-04-16
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Preserved : 2021: 30(3-8), 2022: 31(1-8), 2023: 32(1-8), 2024: 33(1-8), 2025: 34(1-8), 2026: 35(1-3)
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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 (1-4); 5 (1-4); 6 (1-4); 7 (1-4); 8 (1-4); 9 (1-4); 10 (1-4); 11 (1-4); 12 (1-4); 13 (1-4); 14 (1-4); 15 (1-4); 16 (1-4); 17 (1-4); 18 (1-4); 19 (1-4); 20 (1-3); 21 (1-4); 22 (1-4); 23 (1-6); 24 (1-6); 25 (1-6); 26 (1-6); 27 (1-8); 28 (1-8)
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British Library
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Preserved
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2019-09-18
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Preserved : 23 (1 to 6), 24 (1 to 6), 25 (1 to 6), 26 (1 to 6), 27 (1 to 8)
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