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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 to 4); 4 (1, 3); 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 10 (1 to 4); 11 (1 to 4); 12 (1 to 6); 13 (1 to 3); 14 (4 to 6); 15 (1 to 6); 16 (1 to 6); 17 (S1, 1 to 6); 18 (S1, 1 to 6); 19 (S1, 1 to 6); 20 (S1, 1 to 6); 21 (1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (3, 4, 6); 25 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 30 (1 to 3); 31 (2); 32 (4 to 6); 33 (1, 5, 6); 34 (1, 3 to 6); 35 (1, 3 to 6); 36 (1 to 4)
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Portico
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Preserved
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2026-04-02
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Preserved : 1989: 1(1-2), 1990: 2(1-4), 1991: 3(1-4), 1992: 4(1-4), 1993: 5(1-4), 1994: 6(1-4), 1995: 7(1-4), 1996: 8(1-4), 1997: 9(1-4), 1998: 10(1-4), 1999: 11(1-4), 2000: 12(1-6), 2001: 13(1-6), 2002: 14(1-6), 2003: 15(1-6), 2004: 16(1-6), 2005: 17(1, S 1, 2-6), 2006: 18(1, S 1, 2-6), 2007: 19(1, S 1, 2-6), 2008: 20(1, S 1, 2-6), 2009: 21(1-6), 2010: 22(1-6), 2011: 23(1-6), 2012: 24(1-6), 2013: 25(1-6), 2014: 26(1-6), 2015: 27(1-6), 2016: 28(1-6), 2017: 29(1-6), 2018: 30(1-6), 2019: 31(1-6), 2020: 32(1-6), 2021: 33(1-6), 2022: 34(1-6), 2023: 35(1-6), 2024: 36(1-4)
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CLOCKSS Archive
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Preserved
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2026-04-06
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3 to 15, 17 to 36
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