Scholars Portal
1960-2014
Preserved
2025-09-02
Preserved : 1 (1‐2, 3 to 10); 2 (, 1 to 10); 3 (, 1 to 10); 4 (, 1 to 10); 5 (, 1 to 10); 6 (, 1 to 10); 7 (, 1 to 10); 8 (, 1 to 10); 9 (, 1 to 10); 10 (, 1 to 10); 11 (, 1 to 10); 12 (, 1 to 9); 13 (, 1 to 10); 14 (, 1 to 10); 15 (, 1 to 10); 16 (, 1 to 10); 17 (, 1 to 10); 18 (, 1 to 10); 19 (, 1 to 10); 20 (, 1 to 10); 21 (, 1 to 7, 9); 22 (, 1 to 9); 23 (, 1 to 9); 24 (, 1 to 5, 7 to 9); 25 (, 1 to 9); 26 (, 1, 2, 4, 5, 7, 9); 27 (, 1 to 9); 28 (, 1 to 9); 29 (, 1 to 5, 8, 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 (, 2 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 10); 54 (, 1 to 12); 55 (, 1 to 8); 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
LOCKSS Archive
1960-1979
Preserved
2026-02-09
1 to 20
Portico
2001-2001
Preserved
2026-02-12
Preserved : 2001: 42(8)
Portico
2005-2008
Preserved
2026-02-12
Preserved : 2005: 46(3-5), 2006: 47(2-9), 2007: 48(1-10, 12, 19), 2008: 49(1-2)
Portico
1960-2025
Preserved
2026-02-12
Preserved : 1960: 1(1-10), 1961: 2(1-10), 1962: 3(1-10), 1963: 4(1-10), 1964: 5(1-10), 1965: 6(1-10), 1966: 7(1-10), 1967: 8(1-10), 1968: 9(1-10), 1969: 10(1-10), 1970: 11(1-10), 1971: 12(1-9), 1972: 13(1-10), 1973: 14(1, S 1, 2-10), 1974: 15(1, S 1, 2-10), 1975: 16(1, S 1, 2-10), 1976: 17(1, S 1, 2-10), 1977: 18(1, S 1, 2-10), 1978: 19(1-10), 1979: 20(1-10), 1980: 21(1-7, 9), 1981: 22(1-9), 1982: 23(1-9), 1983: 24(1-5, 7-9), 1984: 25(1-9), 1985: 26(1-2, 4-5, 7, 9), 1986: 27(1-9), 1987: 28(1-9), 1988: 29(1-5, 8-9), 1989: 30(1-9), 1990: 31(1-9), 1991: 32(1-9), 1992: 33(1-9), 1993: 34(1-9), 1994: 35(1-9), 1995: 36(1-9), 1996: 37(1-9), 1997: 38(1-9), 1998: 39(2-9), 1999: 40(1-9), 2000: 41(1-9), 2001: 42(1-9), 2002: 43(1-9), 2003: 44(1-9), 2004: 45(1-9), 2005: 46(1-9), 2006: 47(1-9), 2007: 48(1-9), 2008: 49(1-9), 2009: 50(1-9), 2010: 51(1-9), 2011: 52(1-9), 2012: 53(1-10), 2013: 54(1-12), 2014: 55(1-12), 2015: 56(1-12), 2016: 57(1-12), 2017: 58(1-6), 2018: 59(1-6), 2019: 60(1-6), 2020: 61(1-6), 2021: 62(1-6), 2022: 63(1-6), 2023: 64(1-6), 2024: 65(1-6), 2025: 66(1-4)
CLOCKSS Archive
1966-2025
Preserved
2026-02-09
7, 11, 30 to 66