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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 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 8); 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 to 8); 52 (, 1 to 8); 53 (, 1 to 8); 54 (, 1 to 4, 5-6, 7-8); 55 (, 1-2, 3-4, 5-6, 7-8); 56 (, 1 to 8); 57 (, 1 to 8); 58 (, 1 to 8); 59 (, 1 to 8); 60 (, 1 to 3, 5); 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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Internet Archive
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Preserved
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2025-08-08
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11 to 40
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CLOCKSS Archive
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In Progress
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2026-02-09
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11 to 42, 51 to 60
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LOCKSS Archive
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In Progress
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2026-02-09
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11 to 37, 60
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LOCKSS Archive
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Preserved
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2026-02-09
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38 to 59
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CLOCKSS Archive
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Preserved
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2026-02-09
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43 to 50
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Portico
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Preserved
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2026-02-12
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Preserved : 1965/1966: 1(1-5), 1967: 2(1-4), 1968: 3(1-4), 1969: 4(1-4), 1970: 5(1-4), 1971: 6(1-4), 1972: 7(1-4), 1973: 8(1-4), 1974: 9(1-4), 1975: 10(1-4), 1976: 11(1-4), 1977: 12(1-4), 1978: 13(1-4), 1979: 14(1-4), 1980: 15(1-4), 1981: 16(1-4), 1982: 17(1-4), 1983: 18(1-4), 1984: 19(1-4), 1985: 20(1-4), 1986: 21(1-4), 1987: 22(1-4), 1988: 23(1-4), 1989: 24(1-4), 1990: 25(1-4), 1991: 26(1-4), 1992: 27(1-4), 1993: 28(1-4), 1994: 29(1-4), 1995: 30(1-4), 1996: 31(1-6), 1997: 32(1-6), 1998: 33(1-6), 1999: 34(1-6), 2000: 35(1-6), 2001: 36(1-6), 2002: 37(1-6), 2003: 38(1-6), 2004: 39(1-6), 2005: 40(1-8), 2006: 41(1-8), 2007: 42(1-8), 2008: 43(1-8), 2009: 44(1-8), 2010: 45(1-8), 2011: 46(1-8), 2012: 47(1-8), 2013: 48(1-8), 2014: 49(1-8), 2015: 50(1-8), 2016: 51(1-8), 2017: 52(1-8), 2018: 53(1-8), 2019: 54(1-8), 2020: 55(1-8), 2021: 56(1-8), 2022: 57(1-8), 2023: 58(1-8), 2024: 59(1-8), 2025: 60(1-8), 2026: 61(1-2)
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Library of Congress
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Preserved
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2025-04-07
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45 (1 to 8); 46 (1 to 8); 47 (1 to 8); 48 (1 to 8); 49 (1 to 8); 50 (1 to 5); 51 (7); 52 (1, 2); 54 (2 to 5-6, 7-8); 55 (1-2, 3-4, 5-6, 7-8); 56 (1 to 8); 57 (1 to 8); 58 (1 to 8); 59 (1 to 7)
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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 : 19 (4); 35 (1); 45 (8); 46 (3, 6); 47 (1-8); 48 (1-8); 49 (1-8); 50 (1-6, 8); 51 (1, 3-8); 52 (1-8); 53 (1-8); 54 (1-4, 5-6)
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British Library
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Preserved
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2019-09-18
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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 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 4), 22 (1 to 4), 23 (1 to 4), 24 (1 to 4), 25 (1 to 4), 26 (1 to 4), 27 (1 to 4), 28 (1 to 4), 29 (1 to 4), 30 (1 to 4), 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 8), 41 (1 to 8), 42 (1 to 8), 43 (1 to 8), 44 (1 to 8), 45 (1 to 5), 49 (1 to 8), 50 (1 to 8), 51 (1 to 8), 52 (1 to 8), 53 (1 to 7)
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