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