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CLOCKSS Archive
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Preserved
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2026-06-01
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1 to 19
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Portico
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Preserved
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2026-06-04
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Preserved : 1970/1971: 1(1-5), 1971/1972: 2(1-4), 1973/1974: 3(1-5), 1974/1975: 4(1-4), 1975/1976: 5(1-4), 1976: 6(1-4), 1977: 7(1-4), 1978: 8(1-4), 1979: 9(1-3), 1979: 10(1-3), 1980: 11(1-3), 1980: 12(1-3), 1981: 13(1-4), 1982: 14(1-3), 1982: 15(1-3), 1983: 16(1-3), 1983: 17(1-3), 1984: 18(1-3), 1984/1985: 19(1-3)
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (1 to 5); 2 (1 to 4); 3 (1 to 5); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1, 2, 3-4); 9 (1 to 3); 10 (1 to 3); 11 (1 to 3); 12 (1, 2-3); 13 (1-2, 3-4); 14 (1 to 3); 15 (1 to 3); 16 (1-2, 3); 17 (1-2, 3); 18 (1-2, 3); 19 (1, 2-3)
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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 (2-5); 2 (1-4); 3 (1-5); 4 (1-4); 5 (1-4); 6 (1-4); 7 (1-4); 8 (1, 2, 3-4); 9 (1-3); 10 (1-3); 11 (1-3); 12 (1, 2-3); 13 (1-2, 3-4); 14 (1-3); 15 (1-3); 16 (1-2, 3); 17 (1-2, 3); 18 (1-2, 3); 19 (1, 2-3)
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