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LOCKSS Archive
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In Progress
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2026-04-06
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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); 2; 3; 4; 5 (2); 6 (1, 2); 7 (1, 2); 8 (1, 2); 9 (1, 2); 10 (1, 2); 11 (1, 2); 12 (1, 2); 13 (1, 2); 14 (1, 2); 15 (1, 2); 16 (1, 2); 17 (1, 2); 18 (1, 2); 19 (1, 2); 20 (1, 2); 21 (1, 2); 22 (1, 2); 23 (1, 2); 24 (1, 2); 25 (1 to 3); 26 (1, 2); 27 (1, 2); 28 (1, 2); 29 (1, 2); 30 (1, 2); 31 (1, 2); 32 (1, 2); 33 (1, 2); 34 (1, 2); 35 (1, 2); 36 (1, 2); 37 (1, 2); 38 (1, 2); 39 (1, 2); 40 (1 to 3); 41 (1 to 3)
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Portico
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Preserved
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2026-04-09
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Preserved : 1952: 1(1), 1953: 2(1), 1956: 3(1), 1962: 4(1), 1963: 5(1-2), 1964: 6(1-2), 1965: 7(1-2), 1966: 8(1-2), 1967: 9(1-2), 1968: 10(1-2), 1969: 11(1-2), 1970: 12(1-2), 1971/1972: 13(1-2), 1972/1973: 14(1-2), 1973: 15(1-2), 1974/1975: 16(1-2), 1975/1976: 17(1-2), 1976/1977: 18(1-2), 1977/1978: 19(1-2), 1978/1979: 20(1-2), 1979/1980: 21(1-2), 1980: 22(1-2), 1981: 23(1-2), 1982: 24(1-2), 1983: 25(1-2, S 3), 1984: 26(1-2), 1985: 27(1-2), 1986: 28(1-2), 1987: 29(1-2), 1988: 30(1-2), 1989: 31(1-2), 1990: 32(1-2), 1991: 33(1-2), 1992: 34(1-2), 1993: 35(1-2), 1994: 36(1-2), 1995: 37(1-2), 1996: 38(1-2), 1997: 39(1-2), 1998: 40(1-3), 1999: 41(1-3)
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CLOCKSS Archive
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Preserved
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2026-04-06
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39 to 41
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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 : 41 (1-3)
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