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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, 3); 4 (1 to 3, 4); 5 (1 to 3, 4); 6 (1 to 4); 7 (1, 2-3, 4); 8 (1 to 4); 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, 2, 3-4); 16 (1 to 4, 5-6); 17 (1 to 6); 18 (1, 2-3, 4 to 6); 19 (1-2, 3, 4, 5-6); 20 (1 to 6); 21 (1 to 3, 4-5, 6); 22 (1 to 6); 23 (1, 2-3, 4 to 6, 7-8); 24 (1 to 6, 7-8); 25 (1 to 6, 7-8); 26 (1, 2-3, 4 to 6, 7-8); 27 (1, 2-3, 4 to 6, 7-8); 28 (1 to 6, 7-8); 29 (1 to 3, 4-5, 6, 7-8); 30 (1 to 6, 7-8); 31 (1, 2-3, 4 to 6, 7-8); 32 (1 to 4, 5-6, 7-8); 33 (1 to 6, 7-8); 34 (1, 2-3, 4, 5-6, 7-8); 35 (1 to 3, 4-5, 6, 7-8); 36 (1 to 6, 7-8); 37 (1 to 6, 7-8); 38 (1 to 6, 7-8); 39 (1 to 6, 7-8); 40 (1-2, 3, 4-5, 6, 7-8); 41 (1 to 6, 7-8); 42 (1 to 6, 7-8); 43 (1, 2)
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Internet Archive
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Preserved
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2025-08-08
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9 to 15
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CLOCKSS Archive
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In Progress
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2026-05-11
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1 to 24, 33 to 43
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LOCKSS Archive
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In Progress
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2026-05-11
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1 to 20, 26, 42, 43
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Portico
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Preserved
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2026-05-07
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Preserved : 1982/1983: 1(1-3), 1983/1984/1985: 2(1-3), 1986: 3(1-3), 1987: 4(1-4), 1988: 5(1-4), 1989: 6(1-4), 1990: 7(1-4), 1991: 8(1-4), 1992: 9(1-4), 1993: 10(1-4), 1994: 11(1-4), 1995: 12(1-4), 1996: 13(1-4), 1997: 14(1-4), 1998: 15(1-4), 1999: 16(1-6), 2000: 17(1-6), 2001: 18(1-6), 2002: 19(1-6), 2003: 20(1-6), 2004: 21(1-6), 2005: 22(1-6), 2006: 23(1-8), 2007: 24(1-8), 2008: 25(1-8), 2009: 26(1-8), 2010: 27(1-8), 2011: 28(1-8), 2012: 29(1-8), 2013: 30(1-8), 2014: 31(1-8), 2015: 32(1-8), 2016: 33(1-8), 2017: 34(1-8), 2018: 35(1-8), 2019: 36(1-8), 2020: 37(1-8), 2021: 38(1-8), 2022: 39(1-8), 2023: 40(1-8), 2024: 41(1-8), 2025: 42(1-8), 2026: 43(1-3)
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LOCKSS Archive
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Preserved
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2026-05-11
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21 to 25, 27 to 41
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CLOCKSS Archive
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Preserved
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2026-05-11
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25 to 32
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Library of Congress
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Preserved
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2025-04-07
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27 (1, 2-3, 4 to 7-8); 28 (1 to 7-8); 29 (1 to 4-5, 6, 7-8); 30 (1 to 7-8); 31 (1, 2-3, 4 to 7-8); 32 (1 to 5-6, 7-8); 33 (1 to 7-8); 34 (1, 2-3, 4, 5-6, 7-8); 35 (1 to 4-5, 6, 7-8); 36 (1 to 7-8); 37 (1 to 7-8); 38 (1 to 7-8); 39 (1 to 7-8); 40 (1-2, 3, 4-5, 6, 7-8); 41 (1 to 6)
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National Library of the Netherlands
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Preserved
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2024-12-15
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Preserved : 1 (1-3); 2 (1-3); 3 (1-3); 4 (1-4); 5 (1-4); 6 (1-4); 7 (1, 2, 4); 8 (1-4); 9 (1-4); 10 (1-4); 11 (1-4); 12 (1-4); 13 (1-4); 14 (1-4); 15 (1-3); 16 (1-4, 5-6); 17 (1-6); 18 (1, 2-3, 4-6); 19 (1-2, 3, 4, 5-6); 20 (1-6); 21 (1-3, 4-5, 6); 22 (1-6); 23 (1, 2-3, 4-6, 7-8); 24 (1-6, 7-8); 25 (1-6); 26 (2-3, 4-6, 7-8); 27 (1, 2-3, 4-6, 7-8); 28 (1-5, 7-8); 29 (1-3, 4-5, 6, 7-8); 30 (1-6, 7-8); 31 (1, 2-3, 4-6, 7-8); 32 (1-4, 5-6, 7-8); 33 (1-6, 7-8); 34 (1, 2-3, 4, 5-6, 7-8); 35 (1-3, 4-5, 6, 7-8); 36 (1-6)
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British Library
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Preserved
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2019-09-18
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Preserved : 31 (1; 4 to 6), 32 (1 to 4), 33 (1 to 6), 34 (1; 4), 35 (1 to 3; 6)
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