|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1961: 1(1-3), 1961: 1-12, 1962: 2(1, Index 1, 2-4), 1963: 3(1, Index 1, 2-4), 1964: 4(1, Index 1, 2-4), 1965: 5(1, Index 1, 2-4), 1966: 6(1, Index 1, 2-4), 1967: 7(1, Index 1, 2-4), 1968: 8(1, Index 1, 2-4), 1969: 9(1, Index 1, 2-4), 1970: 10(1, Index 1, 2-4), 1971: 11(1, Index 1, 2-4), 1972: 12(1, Index 1, 2-4), 1973: 13(1, Index 1, 2-4), 1974: 14(1, Index 1, 2-4), 1975: 15(1, Index 1, 2-4), 1976: 16(1-2, Index 1, 3-6), 1977: 17(1, Index 1, 2-6), 1978: 18(1, Index 1, 2-6), 1979: 19(1, Index 1, 2-6), 1980: 20(1, Index 1, 2-6), 1981: 21(1, Index 1, 2-6), 1982: 22(1, Index 1, 2-6), 1983: 23(1, Index 1, 2-6), 1984: 24(1-6), 1985: 25(1-6), 1986: 26(1-6), 1987: 27(1-6), 1988: 28(1-6), 1989: 29(1-6), 1990: 30(1-6), 1991: 31(1-6), 1991: 32(C), 1992: 33(1-6), 1993: 34(1-6)
|
|
|
Scholars Portal
|
|
Preserved
|
2025-09-02
|
|
|
Preserved : 1 (1 to 3); 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 to 4); 16 (, 1-2, 3 to 6); 17 (, 1 to 6); 18 (, 1 to 4, 5-6); 19 (, 1, 2, 3-4, 5, 6); 20 (, 1 to 6); 21 (, 1 to 6); 22 (, 1 to 6); 23 (, 1 to 6); 24 (, 1, 2-3, 4 to 6); 25 (, 1-2, 3 to 6); 26 (, 1 to 6); 27 (, 1 to 6); 28 (, 1 to 6); 29 (, 1, 2-4, 5, 6); 30 (, 1 to 6); 31 (, 1 to 6); 32; 33 (1 to 6); 34 (, 1 to 6); 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
|
|
|
CLOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
1 to 34
|
|
|
Internet Archive
|
|
Preserved
|
2025-08-08
|
|
|
1 to 34
|
|
|
National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : 1 (1-3); 2 (1-4); 3 (I1, 1-4); 4 (I1, 1-4); 5 (I1, 1-4); 6 (I1, 1-4); 7 (1-4); 8 (I1, 1-4); 9 (I1, 1-4); 10 (I1, 1-4); 11 (I1, 1-4); 12 (1-4); 13 (I1, 1-4); 14 (I1, 1-4); 15 (I1, 1-4); 16 (I1, 1-2, 3-6); 17 (1-6); 18 (I1, 1-4, 5-6); 19 (I1, 1, 2, 3-4, 5, 6); 20 (I1, 1-6); 21 (I1, 1-6); 22 (I1, 1-6); 23 (I1, 1-6); 24 (1, 2-3, 4-6); 25 (1-2, 3-6); 26 (1-6); 27 (1-6); 28 (1-6); 29 (1, 2-4, 5, 6); 30 (1-6); 31 (1-6); 32 (C); 33 (1-6); 34 (1-6)
|
