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Portico
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Preserved
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2026-05-07
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Preserved : 1978: 1(1-2), 1979/2000: 2(1-2), 1980: 3(1-2), 1981: 4(1-2), 1982: 5(1-2), 1983: 6(1-2), 1984: 7(1-2), 1985: 8(1-4), 1986: 9(1-4), 1987: 10(1-4), 1988: 11(1, 3-4), 1989: 12(1-4), 1990: 13(1-4), 1991: 14(1-4), 1992: 15(1-4), 1993: 16(1-4), 1994: 17(1-4), 1995: 18(1-4), 1996: 19(1-2, 4), 1997: 20(1-4), 1998: 21(1-4), 1999: 22(1-4)
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CLOCKSS Archive
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In Progress
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2026-05-04
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LOCKSS Archive
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Preserved
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2026-05-04
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11 to 27, 1970 to 1979
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 20 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (2, 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (3); 1970 (1); 1971 (2, 3); 1972 (4, 5); 1973 (6 to 8); 1974 (9); 1975 (11); 1976 (13, 14); 1977 (15, 16); 1978 (17, 18); 1979 (19, 20)
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Portico
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Preserved
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2026-05-07
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Preserved : 1976: 1976(13-14), 1977: 1977(15-16), 1978: 1978(17-18), 1979: 1979(19-20)
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Portico
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Preserved
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2026-05-07
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Preserved : 1981: 12(1), 1982: 13(1-2), 1983: 14(1-4), 1984: 15(1-4), 1985: 16(1-4), 1986: 17(1-4), 1987: 18(1-4), 1988: 19(1-4), 1989: 20(1-3), 1990: 21(1-3), 1991: 22(1-3), 1992: 23(1-3), 1993: 24(1-3), 1994: 25(1-3), 1995: 26(1-3), 1996: 27(1-3), 1970: 1970(1), 1971: 1971(2-3), 1972: 1972(4-5), 1973: 1973(6-8), 1974: 1974(9), 1975: 1975(11)
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