|
|
Scholars Portal
|
|
Preserved
|
2025-09-02
|
|
|
Preserved : 1 (1, 2); 2 (, 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 (, 1, 2); 20 (, 1, 2); 21 (, 1, 2); 22 (, 1, 2); 23 (, 1, 2); 24 (, 1, 2); 25 (, 1, 2); 26 (, 1, 2); 27 (, 1, 2); 28 (, 1, 2); 29 (, 1, 2); 30 (, 1, 2); 31 (, 1, 2); 32 (, 1, 2); 33 (, 1, 2); 34 (, 1, 2); 35 (, 1, 2); 36 (, 1, 2); 37 (, 1, 2); 38 (, 1, 2); 39 (, 1, 2); 40 (, 1, 2); 41 (, 1, 2); 42 (, 2, 3); 43 (, 1 to 3); 44 (, 1 to 3); 45 (, 1 to 3); 46 (, 1 to 3); 47 (, 1 to 3); 48 (, 1 to 3); 49 (, 2, 3); 50 (, 1 to 3); 51 (, 1 to 3); 52 (, 1 to 3); 53 (, 1 to 3); 54 (, 1 to 3); 55 (, 1 to 3); 56 (, 1 to 3); 57 (, 1 to 3); 58 (, 1 to 3); 59 (, 1 to 3); 60 (, 1 to 3); 61 (, 1 to 3); 62 (, 1 to 3); 63 (, 1 to 3); 64 (, 1 to 3); 1960; 1961; 1962; 1963; 1964; 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
|
|
|
Internet Archive
|
|
Preserved
|
2025-08-08
|
|
|
18 to 53
|
|
|
CLOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
1 to 64, 66
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1960: 1(1-2), 1961: 2(1-2), 1962: 3(1-2), 1963: 4(1-2), 1964: 5(1-2), 1965: 6(1-2), 1966: 7(1-2), 1967: 8(1-2), 1968: 9(1-2), 1969: 10(1-2), 1970: 11(1-2), 1971: 12(1-2), 1972: 13(1-2), 1973: 14(1-2), 1974: 15(1-2), 1975: 16(1-2), 1976: 17(1-2), 1977: 18(1-2), 1978: 19(1-2), 1979: 20(1-2), 1980: 21(1-2), 1981: 22(1-2), 1982: 23(1-2), 1983: 24(1-2), 1984: 25(1-2), 1985: 26(1-2), 1986: 27(1-2), 1987: 28(1-2), 1988: 29(1-2), 1989: 30(1-2), 1990: 31(1-2), 1991: 32(1-2), 1992: 33(1-2), 1993: 34(1-2), 1994: 35(1-2), 1995: 36(1-2), 1996: 37(1-2), 1997: 38(1-2), 1998: 39(1-2), 1999: 40(1-2), 2000: 41(1-2)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 2008: 49(3)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 2010: 50(3), 2010/2011: 51(1-3), 2011/2012: 52(1, 3), 2012: 53(1-2), 2013/2014: 54(1-3), 2014/2015: 55(1-3), 2015: 56(1-3), 2016/2017: 57(1-3), 2017: 58(1-3), 2018/2019: 59(1-3), 2019: 60(1-3), 2020: 61(1-3), 2021: 62(1-3), 2022: 63(1-3), 2023: 64(1-3), 2024: 65(1-2), 2025: 66(1-2)
|
|
|
Library of Congress
|
|
Preserved
|
2025-04-07
|
|
|
60 (1 to 3); 61 (1 to 3); 62 (1 to 3); 63 (1 to 3); 64 (1 to 3)
|
