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Internet Archive
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Preserved
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2026-07-13
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1 to 22
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Scholars Portal
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Preserved
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2026-06-02
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Preserved : 1 (1 to 4); 2 (1 to 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); 9 (1 to 4); 10 (1 to 4); 11 (1 to 4); 12 (1, 2, 3-4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (2); 20 (3, 4); 22 (1 to 4); 23 (1 to 5); 24 (1, 2, 5); 25 (1 to 5); 26 (1 to 5); 27 (1 to 3, 5); 28 (1 to 5); 29 (1 to 6); 30 (1 to 6); 31 (1 to 6); 32 (1 to 8); 33 (1 to 8); 34 (1 to 8); 35 (1 to 8); 36 (1 to 8); 37 (1 to 8); 38 (1 to 4)
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CLOCKSS Archive
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Preserved
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2026-07-06
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ahead-of-print to 37
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LOCKSS Archive
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Preserved
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2026-07-06
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1 to 37
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LOCKSS Archive
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In Progress
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2026-07-06
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38
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Portico
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Preserved
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2026-07-09
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Preserved : 1989: 1(1-4), 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(1-4), 2001: 13(1-4), 2002: 14(1-4), 2003: 15(1-4), 2004: 16(1-4), 2005: 17(1-4), 2006: 18(1-4), 2007: 19(1-4), 2008: 20(1-4), 2009: 21(1-4), 2010: 22(1-4), 2010/2011: 23(1-5), 2012: 24(1-5), 2013: 25(1-5), 2014: 26(1-5), 2015: 27(1-5), 2016: 28(1-5), 2017: 29(1-6), 2018: 30(1-6), 2019: 31(1-6), 2020: 32(1-8), 2021: 33(1-8), 2022: 34(1-8), 2023: 35(1-8), 2024: 36(1-8), 2025: 37(1-8), 2026: 38(1-5)
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Library of Congress
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Preserved
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2025-04-07
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22 (2 to 4); 23 (1 to 5); 24 (1 to 5); 25 (1 to 5); 26 (1 to 5); 27 (1 to 5); 28 (1 to 5); 29 (1 to 6); 30 (1 to 6); 31 (1 to 6); 32 (1 to 8); 33 (1 to 8); 34 (1 to 8); 35 (1 to 8); 36 (1 to 8)
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