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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 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1, 2, 3-4); 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 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 20 (1 to 4); 21 (1 to 6); 22 (1 to 5); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 30 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 8); 34 (1 to 8); 35 (1 to 8); 36 (1 to 3, 5 to 8); 37 (1 to 8); 38 (1 to 8); 39 (1 to 8); 40 (1 to 8); 41 (1 to 8); 42 (1 to 6, 7-8); 43 (1 to 8); 44 (1 to 8); 45 (1 to 8); 46 (1 to 8); 47 (1 to 8); 48 (1, 2)
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Internet Archive
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Preserved
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2025-08-08
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23 to 32
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CLOCKSS Archive
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In Progress
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2026-03-30
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1 to 29, 38 to 48
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LOCKSS Archive
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In Progress
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2026-03-30
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1 to 24, 47, 48
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Portico
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Preserved
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2026-04-02
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Preserved : 1979: 1(1-4), 1980: 2(1-4), 1981: 3(1-4), 1982: 4(1-4), 1983: 5(1-4), 1984: 6(1-4), 1985: 7(1-4), 1986: 8(1-4), 1987: 9(1-4), 1988: 10(1-4), 1989: 11(1-4), 1990: 12(1-4), 1991: 13(1-4), 1992: 14(1-4), 1993: 15(1-4), 1994: 16(1-4), 1995: 17(1-4), 1996: 18(1-4), 1997: 19(1-4), 1998: 20(1-4), 1999: 21(1-6), 2000: 22(1-6), 2001: 23(1-6), 2002: 24(1-6), 2003: 25(1-6), 2004: 26(1-6), 2005: 27(1-6), 2006: 28(1-6), 2007: 29(1-6), 2008: 30(1-6), 2009: 31(1-6), 2010: 32(1-6), 2011: 33(1-8), 2012: 34(1-8), 2013: 35(1-8), 2014: 36(1-8), 2015: 37(1-8), 2016: 38(1-8), 2017: 39(1-8), 2018: 40(1-8), 2019: 41(1-8), 2020: 42(1-8), 2021: 43(1-8), 2022: 44(1-8), 2023: 45(1-8), 2024: 46(1-8), 2025: 47(1-8), 2026: 48(1-3)
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LOCKSS Archive
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Preserved
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2026-03-30
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25 to 46
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CLOCKSS Archive
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Preserved
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2026-03-30
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30 to 37
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Library of Congress
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Preserved
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2025-04-07
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32 (1 to 6); 33 (1 to 8); 34 (1 to 8); 35 (1 to 8); 36 (1 to 8); 37 (1 to 8); 38 (1 to 8); 39 (1 to 8); 40 (1 to 8); 41 (1 to 8); 42 (1 to 7-8); 43 (1 to 8); 44 (1 to 8); 45 (1 to 8); 46 (1 to 8); 47 (2)
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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 (1-4); 2 (1-4); 3 (1-4); 4 (1-4); 5 (1, 2, 3-4); 6 (1-4); 7 (1-4); 8 (1-4); 9 (1-4); 10 (1-4); 11 (1-4); 12 (1-4); 13 (1-4); 14 (1-4); 15 (1-4); 16 (1); 17 (2-4); 18 (1-4); 19 (1-4); 20 (1-4); 21 (1-6); 22 (1-6); 23 (1-6); 24 (1-6); 25 (1-6); 26 (1-6); 27 (1-6); 28 (1-6); 29 (1-6); 30 (1-6); 31 (1-6); 32 (1-6); 33 (1-6); 34 (1-8); 35 (1-8); 36 (1-8); 37 (1-5, 8); 38 (1-8); 39 (1-8); 40 (1-8); 41 (1-8)
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