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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, 2, 3-4); 3 (1, 2, 3-4); 4 (1, 2, 3-4); 5 (1, 2, 3-4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 10 (1 to 4); 11 (1_suppl, 2 to 4); 12 (1 to 4); 13 (1 to 3, 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 3, 4_suppl); 17 (1 to 4, 5_suppl); 18 (1 to 4); 19 (1 to 4, 6_suppl); 20 (1 to 4, 7_suppl); 21 (1 to 6); 22 (1 to 6, 8_suppl); 23 (1 to 6, 9_suppl); 24 (1 to 6, 10_suppl); 25 (1_suppl, 2 to 6); 26 (1_suppl, 2 to 6); 27 (1 to 6); 28 (1 to 3 to 6); 29 (1 to 6); 30 (1 to 3 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (3 to 6); 35 (1 to 6); 36 (1)
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Portico
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Preserved
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2026-04-02
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Preserved : 1991: 1(1-4), 1992: 2(1-4), 1993: 3(1-4), 1994: 4(1-4), 1995: 5(1-4), 1996: 6(1-4), 1997: 7(1-4), 1998: 8(1-4), 1999: 9(1-4), 2000: 10(1-4), 2001: 11(1, 1, S, 2-4), 2002: 12(1-4), 2003: 13(1-2, 2, S, 3-4), 2004: 14(1-4), 2005: 15(1-4), 2006: 16(1-3, 3, S, 4, 4, S), 2007: 17(1-4, 5, S), 2008: 18(1-4), 2009: 19(1-4, 6, S), 2010: 20(1-4, 7, S), 2011: 21(1-6), 2012: 22(1-6, 8, S), 2013: 23(1-6, 9, S), 2014: 24(1-6, 10, S), 2015: 25(1, 1, S, 2-6), 2016: 26(1, 1, S, 2, 2, S, 3-6), 2017: 27(1-6), 2018: 28(1, 1, S, 2, 2, S, 3-6), 2019: 29(1-6), 2020: 30(1, 1, S, 2, 2, S, 3-6), 2021: 31(1-6), 2022: 32(1-6), 2023: 33(1-6), 2024: 34(1-6), 2025: 35(1-6), 2026: 36(1)
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CLOCKSS Archive
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In Progress
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2026-04-06
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12 to 14, 28, 29, 31 to 36
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LOCKSS Archive
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In Progress
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2026-04-06
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12, 35, 36
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LOCKSS Archive
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Preserved
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2026-04-06
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13 to 34
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CLOCKSS Archive
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Preserved
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2026-04-06
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15 to 27, 30
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British Library
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Preserved
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2019-09-18
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Preserved : 25 (2 to 3), 26 (5), 27 (1), 28 (2 to 6)
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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); 3 (1, 2, 3-4); 4 (1, 2, 3-4); 5 (1, 2, 3-4); 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, 5_suppl); 18 (1-4); 19 (1-4, 6_suppl); 20 (1-4, 7_suppl); 21 (1-6); 22 (1-6, 8_suppl); 23 (1-6, 9_suppl); 24 (1-6, 10_suppl); 25 (1-6); 26 (1-6); 27 (1-6); 28 (1-6); 29 (1-6)
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