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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (2, 3); 2 (1 to 3); 3 (1 to 3); 4 (1 to 3); 5 (1 to 3); 6 (1 to 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 (1/2, 3); 15 (1 to 3); 16 (1 to 3); 17 (1 to 3); 18 (1 to 3); 19 (1 to 3); 20 (2, 3); 21 (1 to 3); 22 (1 to 3); 23 (1/2, 3); 24 (1 to 3); 25 (1, 2); 26 (1 to 3); 27 (1 to 3); 28 (1 to 3); 29 (1, 3); 30 (1, 2-3); 31 (1, 2-3); 32 (1, 2-3); 33 (1-2, 3); 34 (1 to 3); 35 (1 to 3); 36 (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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3 to 10
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Portico
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Preserved
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2026-04-02
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Preserved : 1989: 1(1-3), 1990: 2(1-3), 1991: 3(1-3), 1992: 4(1-3), 1993: 5(1-3), 1994: 6(1-3), 1995: 7(1-3), 1996: 8(1-3), 1997: 9(1-3), 1998: 10(1-3), 1999: 11(1-3)
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CLOCKSS Archive
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Preserved
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2026-04-06
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1 to 11, 19 to 36
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Portico
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Preserved
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2026-04-02
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Preserved : 2007: 19(2-3), 2008/2009: 20(1-3), 2009: 21(1-3), 2011/2012: 22(1-3), 2012: 23(1-3), 2012: 24(1-3), 2013: 25(1-3), 2014: 26(1-3), 2015: 27(1-3), 2016/2017: 28(1-3), 2017/2018: 29(1-3), 2018/2019: 30(1-3), 2019: 31(1-3), 2020: 32(1-3), 2021: 33(1-3), 2022: 34(1-3), 2023: 35(1-3), 2024: 36(1-3)
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Library of Congress
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Preserved
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2025-04-07
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24 (1 to 3); 26 (1 to 3); 27 (1, 3); 28 (1 to 3); 29 (1 to 3); 30 (1, 2-3); 31 (1, 2-3); 32 (1, 2-3); 33 (1-2, 3); 34 (1 to 3); 35 (1 to 3)
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