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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 6 (1, 2); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 10 (1 to 4); 11 (1 to 4); 13 (1 to 4); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (1 to 6); 20 (1 to 6); 21 (1 to 6); 22 (1 to 6); 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 6); 34 (1 to 6); 35 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 40 (1 to 6); 41 (1 to 8); 42 (1 to 8); 43 (1 to 8); 44 (1 to 8); 45 (1 to 8); 46 (1 to 8); 47 (1 to 8); 48 (1 to 8); 49 (1 to 8); 50 (1 to 8); 51 (1, 2, 4 to 8); 52 (1 to 8); 53 (1 to 3)
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Internet Archive
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Preserved
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2025-08-08
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1 to 41
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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 31, 33, 44 to 53
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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 26, 28, 29, 53
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LOCKSS Archive
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Preserved
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2026-03-30
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27, 30 to 52
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CLOCKSS Archive
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Preserved
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2026-03-30
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32, 34 to 43
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Portico
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Preserved
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2026-04-02
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Preserved : 1974/2005: 1(1-4), 1975/2005: 2(1-4), 1976: 3(1-4), 1977/2005: 4(1-4), 1978: 5(1-4), 1979/2005: 6(1-4), 1980/2005: 7(1-4), 1981/2005: 8(1-4), 1982/2005: 9(1-4), 1983/2005: 10(1-4), 1984/2005: 11(1-4), 1985/2005: 12(1-4), 1986: 13(1-4), 1987/2005: 14(1-6), 1988/2006: 15(1-6), 1989: 16(1-6), 1990/2005: 17(1-6), 1991: 18(1-6), 1992: 19(1-6), 1993: 20(1-6), 1994/2005: 21(1-6), 1995: 22(1-6), 1996: 23(1-6), 1997: 24(1-6), 1998: 25(1-6), 1999: 26(1-6), 2000: 27(1-6), 2001: 28(1-6), 2002: 29(1-6), 2003: 30(1-6), 2004: 31(1-6), 2005: 32(1-6), 2006: 33(1-6), 2007: 34(1-6), 2008: 35(1-6), 2009: 36(1-6), 2010: 37(1-6), 2011: 38(1-6), 2005/2012: 39(1-6), 2013: 40(1-6), 2005/2014: 41(1-8), 2005/2015: 42(1-8), 2016: 43(1-8), 2017: 44(1-8), 2018: 45(1-8), 2019: 46(1-8), 2020: 47(1-8), 2021: 48(4-8), 2022: 49(1-8), 2023: 50(1-8), 2024: 51(1-8), 2025: 52(1-8), 2026: 53(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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37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 40 (1 to 6); 41 (1 to 8); 42 (1 to 8); 43 (1 to 8); 44 (2, 3); 46 (4 to 8); 47 (1 to 8); 48 (1 to 8); 49 (1 to 8); 50 (1 to 8); 51 (1 to 8)
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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 (1-4); 6 (1-4); 7 (1-4); 9 (1-4); 10 (1-4); 11 (1-4); 12 (1-4); 13 (1-4); 14 (1-6); 15 (1-6); 16 (1-6); 17 (1-6); 18 (1-6); 19 (1-6); 20 (1-6); 21 (1-6); 22 (1-6); 23 (1-6); 24 (1-6); 25 (1-6); 26 (1-6); 27 (1-6); 28 (1-5); 29 (1-6); 30 (1-6); 31 (1-4, 6); 32 (1-6); 33 (1-6); 34 (1-6); 35 (1-6); 36 (2-6); 37 (1-6); 38 (1-4); 39 (1-6); 40 (1-6); 41 (1-8); 42 (1-8); 43 (1-8); 44 (1-8); 45 (1-8); 46 (1-8); 54 (6)
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British Library
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Preserved
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2019-09-18
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Preserved : 41 (1 to 8), 42 (1 to 8), 43 (1 to 8), 44 (1 to 8), 45 (1 to 7)
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