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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); 3 (, 1, 2); 4 (, 1, 2); 5 (, 1, 2); 6 (, 1, 2); 7 (, 1, 2); 8 (, 1, 2); 9 (, 1, 2); 10 (, 1, 2); 11 (, 1, 2); 12 (, 1, 2); 13 (, 1, 2); 14 (, 1, 2); 15 (, 1, 2); 16 (, 1, 2); 17 (, 1, 2); 18 (, 1, 2); 19-20 (, 2); 19 (, 1); 20 (, 2); 21 (, 1); 22 (, 1); 23 (, 1); 24 (, 1); 25 (, 1); 26 (, 1); 27 (, 1); 28 (, 1); 29 (, 1); 30 (, 1); 31 (, 1); 32 (, 1); 33 (, 1 to 3); 34 (, 1 to 3); 35 (, 1 to 4); 36 (, 1 to 4); 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 to 4); 50 (, 1 to 4); 51 (, 1 to 4); 52 (, 1 to 4); 53 (, 1 to 6); 54 (, 1 to 6); 55 (, 1 to 8); 56 (, 1 to 8); 57 (, 1 to 7); 58 (, 1 to 8); 59 (, 1 to 8); 60 (, 1 to 8); 61 (, 1 to 8); 62 (, 1 to 8); 63 (, 1 to 8); 64 (, 1 to 6); 1960; 1961; 1962; 1963; 1964; 1965; 1966; 1967; 1968; 1969; 1970; 1971; 1972; 1973; 1974; 1975; 1976; 1977; 1978; 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 53
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Portico
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Preserved
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2026-02-12
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Preserved : 1960/1961: 1(1-2), 1961/1962: 2(1-2), 1962/1963: 3(1-2), 1963/1964: 4(1-2), 1964/1965: 5(1-2), 1965/1966: 6(1-2), 1966/1967: 7(1-2), 1967/1968: 8(1-2), 1968/1969: 9(1-2), 1969/1970: 10(1-2), 1970/1971: 11(1-2), 1971/1972: 12(1-2), 1972/1973: 13(1-2), 1973/1974: 14(1-2), 1974/1975: 15(1-2), 1975/1976: 16(1-2), 1976/1977: 17(1-2), 1977/1978: 18(1-2), 1978/1980: 19(1-2)
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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 43, 45, 56 to 58, 60 to 64
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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 38, 40, 41, 64
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Portico
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Preserved
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2026-02-12
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Preserved : 1981: 20(2), 1982: 21(1), 1983: 22(1), 1984: 23(1), 1985: 24(1), 1986: 25(1), 1987: 26(1), 1988: 27(1), 1989: 28(1), 1990: 29(1), 1991: 30(1), 1992: 31(1), 1993: 32(1), 1994: 33(1-3), 1995: 34(1-3), 1996: 35(1-4), 1997: 36(1-4), 1998: 37(1-4), 1999: 38(1-4), 2000: 39(1-4), 2001: 40(1-4), 2002: 41(1-4), 2003: 42(1-4), 2004: 43(1-4), 2005: 44(1-4), 2006: 45(1-4), 2007: 46(1-4), 2008: 47(1-4), 2009: 48(1-4), 2010: 49(1-4), 2011: 50(1-4), 2012: 51(1-4), 2013: 52(1-4), 2014: 53(1-6), 2015: 54(1-6), 2016: 55(1-8), 2017: 56(1-8), 2018: 57(1-8), 2019: 58(1-8), 2020: 59(1-8), 2021: 60(1-4, 6-8), 2022: 61(1-8), 2023: 62(1-8), 2024: 63(1-8), 2025: 64(1-8), 2026: 65(1-3)
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LOCKSS Archive
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Preserved
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2026-02-09
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39, 42 to 63
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CLOCKSS Archive
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Preserved
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2026-02-09
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44, 46 to 55, 59
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Library of Congress
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Preserved
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2025-04-07
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49 (1 to 4); 50 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 6); 54 (1 to 6); 55 (1 to 8); 56 (1 to 8); 57 (1 to 8); 58 (1 to 8); 59 (1 to 8); 60 (1 to 8); 61 (1 to 8); 62 (1 to 8); 63 (1 to 8); 64 (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); 3 (1, 2); 4 (1, 2); 5 (1, 2); 6 (1, 2); 7 (1, 2); 8 (1, 2); 9 (1, 2); 10 (1, 2); 11; 12 (1, 2); 13 (1, 2); 14; 15 (1, 2); 16 (1, 2); 17 (1, 2); 18 (1, 2); 19 (1, 2); 20; 21 (1); 22; 23; 24; 25; 26; 27; 28; 29; 30; 31; 32; 33 (2, 3); 34 (1-3); 35 (1-4); 36 (1-4); 37 (1-4); 38 (1-4); 39 (1-4); 40 (1-4); 41 (1-4); 42 (1-4); 43 (1-4); 44 (1-4); 45 (1-4); 46 (1-4); 47 (1-3); 48 (1-4); 49 (1-4); 50 (1-4); 51 (1-4); 52 (1-4); 53 (1-6); 54 (1-6); 55 (1-8); 56 (1-8); 57 (1-8); 58 (1-8)
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