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CLOCKSS Archive
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Preserved
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2026-04-06
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53 to 82
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Portico
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Preserved
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2026-04-09
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Preserved : 1959: 53(1-4), 1960: 54(1-4), 1961: 55(1-4), 1962: 56(1-4), 1963: 57(1-4), 1964: 58(1-4), 1965: 59(1-4), 1966: 60(1-4), 1967: 61(1-4), 1968: 62(1-4), 1969: 63(1-4), 1970: 64(1-4), 1971: 65(C), 1972: 66(C), 1973: 67(1-4), 1974: 68(C), 1975: 69(C), 1976: 70(C), 1977: 71(C), 1978: 72(C), 1979: 73(C), 1980: 74(C), 1981: 75(1-4), 1982: 76(C), 1983: 77(C), 1984: 78(C), 1985: 79(C), 1986: 80(C), 1987: 81(C), 1988: 82(C)
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 53 (2 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 60 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (Complete, 1 to 4); 66 (Complete, 1 to 4); 67 (Complete, 1 to 4); 68 (Complete, 1 to 4); 69 (Complete, 1 to 4); 70 (Complete); 71 (1 to 4); 72 (Complete, 1 to 4); 73 (Complete, 1 to 4); 74 (Complete, 1 to 4); 75 (1 to 4); 76 (Complete, 1 to 4); 77 (Complete, 1 to 4); 78 (Complete, 1 to 4); 79 (Complete, 1 to 4); 80 (Complete); 81; 82
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National Library of the Netherlands
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Preserved
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2024-12-15
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Preserved : 1 (1-4); 2 (1, 2); 53 (1-5); 54 (1-4); 55 (1-4); 56 (1-4); 57 (1-4); 58 (1-4); 59 (1-4); 60 (1-4); 61 (1-4); 62 (1-4); 63 (1-4); 64 (1-4); 65 (C); 66; 67 (1-4); 68 (C); 69; 70; 71; 72; 73; 74; 75 (1-4); 76 (C); 77; 78; 79; 80; 81; 82
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