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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 39
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Portico
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Preserved
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2026-02-12
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Preserved : 1969: 1(1-4), 1970: 2(1-4), 1971: 3(1-4), 1972: 4(1-4), 1973: 5(1-4), 1974: 6(1-6), 1975: 7(1-6), 1976: 8(1-6), 1977: 9(1-6), 1978: 10(1-6), 1979: 11(1-6), 1980: 12(1-4), 1980: 13(1-4), 1981: 14(1-4), 1981: 15(1-4), 1982: 16(1-4), 1982: 17(1-4), 1983: 18(1-6), 1983: 19(1-6), 1984: 20(1-6), 1984: 21(1-6), 1985: 22(1-6), 1985: 23(1-6), 1986: 24(1-6), 1986: 25(1-6), 1987: 26(1-6), 1987: 27(1-6), 1988: 28(1-6), 1988: 29(1-6), 1989: 30(1-6), 1989: 31(1-6), 1990: 32(1-6), 1990: 33(1-6), 1991: 34(1-6), 1991: 35(1-6), 1992: 36(1-6), 1992: 37(1-6), 1993: 38(1-6), 1993: 39(1-6)
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 1 (1 to 4); 2 (, 1 to 4); 3 (, 1 to 4); 4 (, 1 to 4); 5 (, 1 to 4); 6 (, 1 to 6); 7 (, 1 to 6); 8 (, 1 to 6); 9 (, 1 to 6); 10 (, 1 to 6); 11 (, 1 to 6); 12 (, 1 to 4); 13 (, 1 to 4); 14 (, 1 to 4); 15 (, 1 to 4); 16 (, 1 to 4); 17 (, 1 to 4); 18 (, 1 to 6); 19 (, 1 to 6); 20 (, 1 to 6); 21 (, 1 to 6); 22 (, 1 to 6); 23 (, 1 to 6); 24 (, 1 to 6); 25 (, 1 to 6); 26 (, 1 to 6); 27 (, 1 to 4, 5-6); 28 (, 1, 2-3, 4 to 6); 29 (, 1 to 6); 31 (, 1 to 6); 32 (, 1 to 6); 33 (, 1 to 6); 34 (, 1 to 6); 35 (, 1 to 6); 36 (, 1 to 6); 37 (, 1 to 6); 38 (, 1 to 6); 39 (, 1 to 6); 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
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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 (1-4); 3 (1-4); 4 (1-4); 5 (1-4); 6 (1-6); 7 (1-6); 8 (1-6); 9 (1-6); 10 (1-6); 11 (1-6); 12 (1-3); 13 (1-4); 14 (1-4); 15 (1-4); 16 (1-4); 17 (1-4); 18 (1-6); 19 (1-6); 20 (1-3, 5, 6); 21 (1-6); 22 (1-6); 23 (1-6); 24 (1, 2, 4-6); 25 (1-6); 26 (1-6); 27 (1-4, 5-6); 28 (1, 2-3, 4-6); 29 (1-6); 30 (1-6); 31 (1-6); 32 (1-6); 33 (1-6); 34 (1-6); 35 (1-6); 36 (1-6); 37 (1-6); 38 (1-6); 39 (1-6); 432 (1)
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