|
|
Scholars Portal
|
|
Preserved
|
2025-09-02
|
|
|
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 (, 1-4); 15 (, 1-4); 16 (, 1-4); 17 (, 1-4); 18 (, 1-4); 19 (, 1-4); 20 (, 1, 2, 3-4); 21 (, 1-4); 22 (, 1, 2-3, 4, 5-6); 23 (, 1-6); 24 (, 1, 2-6, 6); 25 (, 1, 2, 3-6); 26 (, 1 to 6); 27 (, 1, 2, 3-4, 5, 6); 28 (, 1 to 6); 29 (, 1 to 6); 30 (, 1 to 6); 31 (, 1, 2, 5, 6); 32 (, 1 to 6); 33 (, 1 to 6); 34 (, 1 to 4, 5-6); 35 (, 1, 2, 5, 6); 36 (, 1 to 6); 37 (, 1 to 6); 38 (, 1 to 6); 39 (, 1 to 4); 40 (, 1 to 6); 41 (, 1 to 6); 42 (, 1 to 6); 43 (, 1, 2, 3-4, 5, 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); 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
|
|
|
Internet Archive
|
|
Preserved
|
2025-08-08
|
|
|
20 to 26
|
|
|
CLOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
1 to 61
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1966: 1(1-4), 1967: 2(1-4), 1968: 3(1-4), 1969: 4(1-4), 1970: 5(1-4), 1971: 6(1-4), 1972: 7(1-4), 1973: 8(1-4), 1974: 9(1-4), 1975: 10(1-4), 1976: 11(1-4), 1977: 12(1-4), 1978: 13(1-4), 1979: 14(1-4), 1980: 15(1-4), 1981: 16(1-4), 1982: 17(1-4), 1983: 18(1-4), 1984: 19(1-4), 1985: 20(1-4), 1986: 21(1-4), 1987: 22(1-6), 1988: 23(1-6), 1989: 24(1-6), 1990: 25(1-6), 1991: 26(1-6), 1992: 27(1-6), 1993: 28(1-6), 1994: 29(1-6), 1995: 30(1-6), 1996: 31(1-6), 1997: 32(1-6), 1998: 33(1-6), 1999: 34(1-6), 2000: 35(1-6), 2001: 36(1-6), 2002: 37(1-6), 2003: 38(1-6), 2004: 39(1-6), 2005: 40(1-6), 2006: 41(1-6), 2007: 42(1-6), 2008: 43(1-6), 2009: 44(1-6), 2009/2010: 45(1-6), 2011: 46(1-6), 2012: 47(1, S1, 2-6), 2013: 48(1-6), 2014: 49(1-6), 2015: 50(1-6), 2016: 51(1, S1, 2-6), 2017: 52(1, S1, 2-6), 2018: 53(1, S1, 2, S2, 3-6), 2019: 54(1-6), 2020: 55(1, S1, 2-6), 2021: 56(1-6), 2022: 57(1-6), 2023: 58(1, S1, 2-6), 2024: 59(1, S1, 2-6), 2025: 60(1-6), 2026: 61(1-2)
|
|
|
LOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
1 to 48
|
|
|
CLOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
43 to 48
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1985: 20(1-2)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1987: 22(1-2, 4)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1989: 24(1-6), 1990: 25(1-2), 1991: 26(1-6), 1992: 27(1-2, 5-6), 1993: 28(1-6), 1994: 29(1-6), 1995: 30(1-6), 1996: 31(1-2, 5-6), 1997: 32(1-6), 1998: 33(1-6), 1999: 34(1-6), 2000: 35(1-6), 2001: 36(1-6), 2002: 37(1-6), 2003: 38(1-6), 2004: 39(1-6), 2005: 40(1-6), 2006: 41(1-6), 2007: 42(1-6), 2007/2008: 43(1-6), 2007/2009: 44(1-6), 2010: 45(1-6), 2011: 46(1-6), 2012: 47(1-6), 2013: 48(1-6)
|
|
|
National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : 1 (1-4); 2 (1-4); 3 (1-4); 4 (1, 2, 4); 5 (1-3); 6 (1-4); 7 (1-4); 8 (1-4); 9 (1, 3, 4); 10 (1-4); 11 (1-4); 12 (1-4); 13 (2-4); 14 (1-4); 15; 16; 17; 18; 19; 20 (2, 3-4); 21 (1-4); 22 (2-3, 4, 5-6); 23 (1-6); 24 (2-6); 25 (1, 2, 3-6); 26 (1-6); 27 (1, 2, 5, 6); 28 (1-6); 29 (1-6); 30 (2-6); 31 (1, 2, 6); 32 (1-6); 33 (1-6); 34 (1, 2, 4, 5-6); 35 (1, 2, 5, 6); 36 (1-6); 37 (1-6); 38 (1, 2, 5, 6); 39 (1, 3, 4); 40 (1, 4-6); 41 (1-3, 5, 6); 42 (1-3, 5, 6); 43 (2, 5, 6)
|
