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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (3); 2 (1, 2, 4); 3 (3, 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, 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 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 8); 23 (1 to 8); 24 (1 to 8); 25 (1 to 8); 26 (1 to 8); 27 (1 to 8); 28 (1 to 8); 29 (1 to 8); 30 (1 to 8); 31 (1 to 8); 32 (1 to 8); 33 (1 to 8); 34 (1 to 8); 35 (1 to 10); 36 (1 to 10); 37 (1 to 12); 38 (1 to 12); 39 (1 to 12); 40 (1 to 12); 41 (1 to 12); 42 (1 to 12); 43 (1 to 12); 44 (1 to 12); 45 (1 to 12); 46 (1_suppl, 2 to 12); 47 (1_suppl, 2 to 12); 48 (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 36
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CLOCKSS Archive
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In Progress
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2026-04-06
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1 to 27, 29, 38 to 48
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LOCKSS Archive
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In Progress
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2026-04-06
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1 to 25, 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(1-6), 1989: 11(1-6), 1990: 12(1-6), 1991: 13(1-6), 1992: 14(1-6), 1993: 15(1-6), 1994: 16(1-6), 1995: 17(1-6), 1996: 18(1-6), 1997: 19(1-6), 1998: 20(1-6), 1999: 21(1-6), 2000: 22(1-8), 2001: 23(1-8), 2002: 24(1-8), 2003: 25(1-8), 2004: 26(1-8), 2005: 27(1-8), 2006: 28(1-8), 2007: 29(1-8), 2008: 30(1-8), 2009: 31(1-8), 2010: 32(1-8), 2011: 33(1-8), 2012: 34(1-8), 2013: 35(1-10), 2014: 36(1-10), 2015: 37(1-12), 2016: 38(1-12), 2017: 39(1-12), 2018: 40(1-12), 2019: 41(1-12), 2020: 42(1-12), 2021: 43(1-12), 2022: 44(1-12), 2023: 45(1-12), 2024: 46(1, 1, S, 2-12), 2025: 47(1, 1, S, 2-12), 2026: 48(1-4)
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LOCKSS Archive
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Preserved
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2026-04-06
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26 to 46
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CLOCKSS Archive
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Preserved
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2026-04-06
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28, 30 to 37
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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 (3); 2 (1, 2, 4); 3 (3, 4); 4 (1-4); 5 (2-4); 6 (1-4); 7 (1-4); 8 (1-4); 9 (1-4); 10 (1-4, 6); 11 (1-6); 12 (1-6); 13 (1-6); 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 (3-7); 23 (1-8); 24 (1-4, 6-8); 25 (1-8); 26 (1-8); 27 (1-8); 28 (1-8); 29 (1-8); 30 (1-7); 31 (1-8); 32 (1-8); 33 (1-5); 34 (1, 3-5, 7, 8); 35 (2-10); 36 (1-10); 37 (1-7, 9-12); 38 (3, 6-8, 10, 12); 39 (1-3, 5, 7-12); 40 (1-11); 41 (3, 6, 8-11)
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British Library
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Preserved
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2019-09-18
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Preserved : 36 (1 to 10), 37 (1 to 12), 38 (1 to 12), 39 (1 to 12), 40 (1 to 11)
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