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