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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 (2); 10 (1, 2); 11 (1, 2); 12 (1, 2); 13 (1, 2); 14 (1, 2); 16 (1, 2); 17 (none); 18 (1, 2); 19 (1, 2); 20 (1, 2); 21 (1, 2); 22 (1, 2); 23 (1, 2); 24 (1, 2); 25 (1, 2); 26 (1, 2); 38 (1, 2); 39 (1, 2)
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Portico
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Preserved
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2026-04-02
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Preserved : 1983: 1(1-2), 1984: 2(1-2), 1985: 3(1-2), 1986: 4(1-2), 1987: 5(1-2), 1988: 6(1-2), 1989: 7(1-2), 1990: 8(1-2), 1991/1993: 9(1-2), 1993: 10(1-2), 1994: 11(1-2), 1995: 12(1-2), 1996/1998: 13(1-2), 1999/2000: 14(1-2)
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CLOCKSS Archive
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Preserved
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2026-04-06
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1 to 39
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Portico
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Preserved
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2026-04-02
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Preserved : 2001: 15, 2001: 16(1-2), 2002: 17, 2002/2003: 18(1-2), 2004: 19(1-2), 2005: 20(1-2), 2006: 21(1-2), 2006/2007: 22(1-2), 2007/2008: 23(1-2), 2008: 24(1-2), 2009: 25(1-2), 2010: 26(1-2), 2012: 27(1-2), 2013: 28(1-2), 2014: 29(1-3), 2015: 30(1-3), 2016/2017: 31(1-3), 2017/2018: 32(1-3), 2018/2019: 33(1-3), 2019: 34(1-3), 2020: 35(1-3), 2021: 36(1-3), 2022: 37(1-3), 2023: 38(1-3), 2024: 39(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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33 (3); 34 (1 to 3); 35 (1 to 3); 36 (1 to 3); 37 (1 to 3); 38 (1 to 3); 39 (1, 2)
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