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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, 2); 7 (1, 2); 8 (1, 2); 9 (1, 2); 10 (1, 2); 11 (1, 2); 12 (1 to 3); 13 (1 to 3); 14 (1 to 3); 15 (1 to 3); 16 (1 to 3); 17 (1 to 3); 18 (1 to 3); 19 (2, 3); 20 (1 to 3); 21 (1 to 3); 22 (1 to 3); 23 (1 to 3); 24 (1 to 3); 25 (1 to 3); 26 (1 to 3); 27; 28 (1 to 3); 29 (1 to 3); 30 (1 to 3); 31 (1 to 3); 32 (1 to 3); 35 (none)
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Portico
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Preserved
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2026-04-16
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Preserved : 1991: 1(1-2), 1992: 2(1-2), 1993: 3(1-2), 1994: 4(1-2), 1995: 5(1-2), 1996: 6(1-2), 1997: 7(1-2), 1998: 8(1-2), 1999: 9(1-2)
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CLOCKSS Archive
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Preserved
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2026-04-13
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1 to 9, 11, 18 to 32, 35, 36
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Portico
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Preserved
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2026-04-16
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Preserved : 2007: 17(3), 2008: 18(1-3), 2009: 19(1-3), 2009/2010: 20(1-3), 2010/2011: 21(1-3), 2011/2012: 22(1-3), 2011/2013: 23(1-3), 2013/2014: 24(1-3), 2013/2014/2015: 25(1-3), 2015/2016: 26(1-3), 2015/2016/2017: 27(1-3), 2017/2018: 28(1-3), 2018/2019: 29(1-3), 2019/2020: 30(1-3), 2021: 31(1-3), 2022: 32(1-3), 2023: 33(1-3)
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Portico
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Preserved
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2026-04-16
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Preserved : 2026: 35, 2026: 36
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Library of Congress
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Preserved
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2025-04-07
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29 (2, 3); 30 (1 to 3); 31 (1 to 3); 32 (1 to 3); 35 (2025)
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