|
|
CLOCKSS Archive
|
|
Preserved
|
2026-06-01
|
|
|
1 to 21
|
|
|
Portico
|
|
Preserved
|
2026-06-04
|
|
|
Preserved : 1963: 1(C), 1964: 2(C), 1965: 3(C), 1966: 4(C), 1967: 5(1-3), 1968: 6(1-3), 1969: 7(1-3), 1970: 8(1-3), 1971: 9(1-3), 1972: 10(C), 1973/1974: 11(1-3), 1974/1975: 12(1-3), 1975/1976: 13(1-3), 1976/1977: 14(1-3), 1977/1978: 15(1-3), 1978/1979: 16(1-3), 1979: 17(1-3), 1980: 18(1-3), 1981: 19(1-4), 1982: 20(1-4), 1983: 21(1-4)
|
|
|
Scholars Portal
|
|
Preserved
|
2026-03-19
|
|
|
Preserved : 1 (Complete); 2; 3; 4; 5 (1 to 3); 6 (1 to 3); 7 (1 to 3); 8 (1 to 3); 9 (1 to 3); 10 (Complete); 11 (1 to 3); 12 (1 to 3); 13 (1 to 3); 14 (1 to 3); 15 (1 to 3); 16 (1 to 3); 17 (1 to 3); 18 (1 to 3); 19 (1 to 4); 20 (1 to 4); 21 (1 to 4)
|
|
|
National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : 1 (C); 2; 3; 4; 5 (1-3); 6 (1-3); 7 (1-3); 8 (1-3); 9 (1-3); 10 (C); 11 (1-3); 12 (1-3); 13 (1-3); 14 (1-3); 15 (1-3); 16 (1-3); 17 (1-3); 18 (1-3); 19 (C, 1-4); 20 (1-4); 21 (1-4)
|
