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CLOCKSS Archive
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In Progress
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2026-05-18
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LOCKSS Archive
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In Progress
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2026-05-18
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Portico
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Preserved
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2026-05-14
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Preserved : 1957/1958: 1(1-4), 1958/1959: 2(1-4), 1959/1960: 3(1-4), 1960/1961: 4(1-4), 1961/1962: 5(1-4), 1962/1963: 6(1-4), 1963/1964: 7(1-4), 1964/1965: 8(1-4), 1965/1966: 9(1-4), 1966/1967: 10(1-4), 1967/1968: 11(1-4), 1968/1969: 12(1-4), 1969/1970: 13(1-4), 1970/1971: 14(1-4), 1971/1972: 15(1-4), 1972/1973: 16(1-4), 1973/1974: 17(1-4), 1974: 18(1-4), 1975: 19(1, I, 2-4), 1976: 20(1-4), 1977: 21(1-4), 1978: 22(1-4), 1979: 23(1-4), 1980: 24(1-4), 1981: 25(1-4), 1982: 26(1-4), 1983: 27(1-4), 1984: 28(1-4), 1985: 29(1-4), 1986: 30(1-4), 1987: 31(1-4), 1988: 32(1-4), 1989: 33(1-4), 1990: 34(1-4), 1991: 35(1-4), 1992: 36(1-4), 1993: 37(1-4), 1994: 38(1-4), 1995: 39(1-4)
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Internet Archive
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Preserved
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2025-08-08
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1 to 39
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : 39 (1 to 4)
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National Digital Preservation Program, China
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Preserved
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2025-12-04
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Preserved : 39 (1 to 4)
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Portico
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Preserved
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2026-05-14
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Preserved : 1990: 34(1-4), 1991: 35(1-4), 1992: 36(1-4), 1993: 37(1-4), 1994: 38(1-4), 1995: 39(1-4)
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