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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 11 (2 to 8); 12 (1 to 8); 13 (1 to 8); 14 (1 to 8); 15 (1 to 8); 16 (1 to 8); 17 (1 to 8); 18 (1 to 8); 19 (1 to 7, 8-9, 10); 20 (1 to 10); 21 (1 to 10); 22 (1 to 10, 11-12); 23 (1 to 12); 24 (1 to 12); 25 (2 to 12); 26 (1 to 4, 9 to 12); 27 (1 to 12); 28 (1 to 12); 29 (1 to 7, 9, 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 3)
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Internet Archive
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Preserved
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2025-08-08
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1 to 24
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LOCKSS Archive
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Preserved
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2026-04-13
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11 to 38
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CLOCKSS Archive
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Preserved
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2026-04-13
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ahead-of-print, 11 to 39
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LOCKSS Archive
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In Progress
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2026-04-13
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39, 40
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Portico
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Preserved
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2026-04-23
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Preserved : 1988: 2(3-4)
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Portico
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Preserved
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2026-04-23
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Preserved : 1997: 11(1-8), 1998: 12(1-8), 1999: 13(1-8), 2000: 14(1-8), 2001: 15(1-8), 2002: 16(1-8), 2003: 17(1-8), 2004: 18(1-8), 2005: 19(1-10), 2006: 20(1-10), 2007: 21(1-10), 2007/2008: 22(1-12), 2009: 23(1-12), 2010: 24(1-12), 2011: 25(1-12), 2012: 26(1-12), 2013: 27(1-12), 2014: 28(1-12), 2015: 29(1-12), 2016: 30(1-12), 2017: 31(1-12), 2018: 32(1-12), 2019: 33(1-12), 2020: 34(1-12), 2021: 35(1-12), 2022: 36(1-12), 2023: 37(1-12), 2024: 38(1-12), 2025: 39(1-12), 2026: 40(1-5)
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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 (2-4); 2 (1-4); 3 (1-4); 4 (1-4); 5 (1-4); 6 (1-6); 7 (1-6); 8 (1-5); 9 (1-6); 10 (1-8); 11 (1-8); 12 (1-7); 13 (1, 3-8); 14 (1-8); 15 (1-8); 16 (1, 2, 4-8); 17 (1-8); 18 (1-3, 5-8); 19 (1-4, 6, 7, 8-9, 10); 20 (3-7, 9, 10); 21 (2-5, 7-10); 22 (1-10, 11-12)
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