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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 15
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : os-13 (1 to 3); os-10 (, 1 to 3); os-9 (, 1 to 3); os-15 (, 1, 2); os-11 (, 1 to 3); os-12 (, 1 to 3); os-14 (, 1 to 3); 1 (, 1, 2); 2 (, 1, 2); 3 (, 1, 2); 4 (, 1 to 3); 5 (, 1 to 3); 6 (, 1 to 3); 7 (, 1 to 3); 8 (, 1 to 3); 9 (, 1 to 3); 10 (, 1, 2); 11 (, 1 to 3); 12 (, 1 to 3); 13 (, 1 to 3); 14 (, 1 to 3); 15 (, 1 to 3); 1969; 1970; 1971; 1972; 1973; 1974; 1975; 1976; 1977; 1978; 1979; 1980; 1981; 1982; 1983
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CLOCKSS Archive
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In Progress
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2026-02-09
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os-9, os-10, os-11, os-12, os-13, os-14, os-15 to 8
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LOCKSS Archive
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In Progress
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2026-02-09
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os-9, os-10, os-11, os-12, os-13, os-14, os-15 to 8
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Portico
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Preserved
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2026-02-12
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Preserved : 1969: 1(1-2), 1970: 2(1-2), 1971: 3(1-2), 1972: 4(1-3), 1973: 5(1-3), 1974: 6(1-3), 1975: 7(1-3), 1976: 8(1-3), 1977: 9(1-3), 1978: 10(1-3), 1979: 11(1-3), 1980: 12(1-3), 1981: 13(1-3), 1982: 14(1-3), 1983: 15(1-3)
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Portico
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Preserved
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2026-02-12
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Preserved : 1977: Original Series, 9(1-3), 1978: Original Series, 10(1-3), 1979: Original Series, 11(1-3), 1980: Original Series, 12(1-3), 1981: Original Series, 13(1-3), 1982: Original Series, 14(1-3), 1983: Original Series, 15(1-2), 1969: 1(1-2), 1970: 2(1-2), 1971: 3(1-2), 1972: 4(1-2), 1973: 5(1-3), 1974: 6(1-3), 1975: 7(1-3), 1976: 8(1-3)
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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 : os-9 (3); 1 (1, 2); 2 (1, 2); 3 (1, 2); 4 (1-3); 5 (1-3); 6 (1-3); 7 (1-3); 8 (1-3); 9 (1-3); 10 (1-3); 11 (1-3); 12 (1-3); 13 (1-3); 14 (1-3); 15 (1-3)
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