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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 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4, 8); 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 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (1 to 6); 20 (1 to 6); 21 (1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 4, 6); 29 (1 to 6); 30 (1, 2, 4 to 6); 31 (1 to 3, 5, 6); 32 (1 to 6); 33 (1 to 6); 34 (1, 3 to 6); 35 (1 to 8); 36 (1, 3 to 8); 37 (1 to 8); 38 (1 to 8); 39 (2 to 12); 40 (1 to 12); 41 (1 to 12); 42 (1 to 12); 43 (1 to 12); 44 (1 to 3, 5 to 12); 45 (1 to 10)
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Internet Archive
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Preserved
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2025-08-08
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9
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Portico
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Preserved
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2026-04-02
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Preserved : 1981: 1(1-4), 1982: 2(1-4), 1983: 3(1-4), 1984: 4(1-4), 1985: 5(1-4), 1986: 6(1-4), 1987: 7(1-4), 1988: 8(1-4, 8*), 1989: 9(1-4), 1990: 10(1-4), 1991: 11(1-4), 1992: 12(1-4), 1993: 13(1-4), 1994: 14(1-4), 1995: 15(1-6), 1996: 16(1-6)
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CLOCKSS Archive
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Preserved
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2026-04-06
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1 to 16, 24, 27 to 46
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Portico
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Preserved
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2026-04-02
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Preserved : 2007: 27(5-6), 2008: 28(1-6), 2009: 29(1-6), 2010: 30(1-2, 4-6), 2010: 31(1-6), 2011: 32(1-6), 2011/2012: 33(1-6), 2013: 34(1-6), 2013/2014: 35(1-8), 2014/2015/2016: 36(1-8), 2015/2016: 37(1-8), 2016/2017: 38(1-8), 2017/2018/2019: 39(1-12), 2020: 40(1-12), 1921/2021: 41(1-12), 2022: 42(1-12), 2023: 43(1-12), 2024: 44(1-12), 2025: 45(1-4, 6-12), 2026: 46(1-4)
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Library of Congress
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Preserved
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2025-04-07
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39 (5, 7 to 12); 40 (1 to 12); 41 (1, 2, 4 to 9, 11, 12); 42 (1 to 12); 43 (1 to 12); 44 (1 to 12)
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