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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 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, 2, 3-4); 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); 39 (, 6); 42 (, 1 to 6); 43 (, 1 to 6); 44 (, 1 to 6); 45 (, 1 to 6); 46 (, 1 to 6); 47 (, 1 to 6); 48 (, 1 to 6); 49 (, 1 to 6); 50 (, 1 to 6); 51 (, 1 to 6); 52 (, 1 to 6); 53 (, 1 to 6); 54 (, 1 to 6); 55 (, 1 to 4); 56 (, 1 to 4); 57 (, 1 to 4); 58 (, 1 to 4); 59 (, 1 to 4); 60 (, 1 to 4); 61 (, 1 to 4); 62 (, 1 to 4); 63 (, 1 to 4); 64 (, 1 to 4); 65 (, 1 to 4); 66 (, 1 to 4); 67 (, 1 to 4); 68 (, 1 to 4); 69 (, 1, 2, 4); 70 (, 1 to 4); 71 (, 1 to 4); 72 (, 1 to 3); 73 (, 1 to 4); 74 (, 1 to 4); 75 (, 1 to 4); 76 (, 1, 2, 3-4); 77 (, 1 to 4); 78 (, 1 to 4); 79 (, 1 to 4); 80 (, 1 to 4); 81 (, 1-2, 3, 4); 82 (, 1 to 3); 1936; 1937; 1938; 1939; 1941; 1942; 1945; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960; 1961; 1962; 1963; 1964; 1965; 1966; 1967; 1968; 1969; 1970; 1971; 1972; 1973; 1974; 1975; 1976; 1977; 1978; 1979; 1982; 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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45 to 71
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 81
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CLOCKSS Archive
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Preserved
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2026-02-09
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ahead-of-print to 82
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LOCKSS Archive
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In Progress
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2026-02-09
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82
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Portico
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Preserved
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2026-02-12
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Preserved : 1937: 2(1-4), 1938: 3(1-4), 1939: 4(1-4), 1941/1942/1945/1947: 5(1-4), 1948/1949/1950: 6(1-4), 1951: 7(1-4), 1952: 8(1-4), 1953: 9(1-4), 1954: 10(1-4), 1955: 11(1-4), 1956: 12(1-4), 1957: 13(1-4), 1958: 14(1-4), 1959: 15(1-2), 1960: 16(1-4), 1961: 17(1-4), 1962: 18(1-4), 1963: 19(1-4), 1964: 20(1-4), 1965: 21(1-4), 1966: 22(1-4), 1967: 23(1-4), 1968: 24(1-4), 1969: 25(1-4), 1970: 26(1-4), 1971: 27(1-4), 1972: 28(1-4), 1972: 29(1-4), 1973: 30(1-4), 1974: 31(1-6), 1975: 32(1-6), 1976: 33(1-6), 1977: 34(1-6), 1978: 35(1-6), 1979: 36(1-6), 1980: 37(1-6), 1981: 38(1-6), 1982: 39(1-6), 1983: 40(1-6), 1984: 41(1-6), 1985: 42(1-6), 1986: 43(1-6), 1987: 44(1-6), 1988: 45(1-6), 1989: 46(1-6), 1990: 47(1-6), 1991: 48(1-6), 1992: 49(1-6), 1993: 50(1-6), 1994: 51(1-6), 1995: 52(1-6), 1996: 53(1-6), 1997: 54(1-6), 1998: 55(1-4), 1999: 56(1-4), 2000: 57(1-4), 2001: 58(1-4), 2002: 59(1-4), 2003: 60(1-4), 2004: 61(1-4), 2005: 62(1-4), 2006: 63(1-4), 2007: 64(1-4), 2007/2008: 65(1-4), 2009: 66(1, S 1, 2-4), 2009: 66 Suppl 1, 2010: 67(1-4), 2011: 68(1-4), 2012: 69(1-4), 2013: 70(1-4), 2014: 71(1-4), 2015: 72(1-4), 2016: 73(1-4), 2017: 74(1-4), 2018: 75(1-4), 2019: 76(1-4), 2020: 77(1-4), 2021: 78(1-4), 2022: 79(1-4), 2023: 80(1-4), 2024: 81(1-4), 2025: 82(1-4)
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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 (1-4); 2 (1-4); 3 (1-4); 4 (1-4); 5 (2-4); 6 (1-4); 7 (1-4); 8 (1-4); 9 (1-4); 10 (1-4); 11 (1-4); 12 (1-4); 13 (2, 4); 14 (1-3); 15 (1, 2, 3-4); 16 (1-4); 17 (2-4); 18 (1-4); 19 (1-4); 20 (1-4); 21 (1-3); 22 (1-4); 23 (1-4); 24 (1, 2, 4); 25 (1-4); 26 (1-4); 27 (1-4); 28 (1-4); 29 (1-4); 30 (1-4); 31 (1-6); 32 (1-6); 33 (1-6); 34 (1-6); 35 (1-6); 36 (2-6); 37 (1-6); 38 (1-5); 39 (1, 3-6); 40 (1-6); 41 (1-6); 42 (1-6); 43 (1-5); 44 (1-6); 45 (1-5); 46 (1-6); 47 (1-6); 48 (1, 2, 4-6); 49 (1-6); 50 (1-6); 51 (1-6); 52 (1-6); 53 (2-6); 54 (1-6); 55 (1-4); 56 (1-4); 57 (1-4); 58 (1-4); 59 (1, 3, 4); 60 (1-4); 61 (1-4); 62 (1-4); 63 (2-4); 64 (1-4); 65 (1-4)
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Library of Congress
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Preserved
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2025-04-07
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67 (1 to 4); 68 (1 to 4); 69 (1 to 4); 70 (1 to 4); 71 (1 to 4); 72 (1 to 4); 73 (1 to 4); 74 (1 to 4); 75 (1 to 4); 76 (1 to 3-4); 77 (1 to 4); 78 (1 to 4); 79 (1 to 4); 80 (1 to 4); 81 (1-2, 3, 4)
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