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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 : 2 (1, 2); 3 (1, 2); 18 (1, 2); 19 (1, 2); 21 (1, 2); 22 (1, 2); 23 (1, 2); 24 (1, 2); 25 (1, 2); 26 (1, 2); 27 (1, 2); 28 (1, 2); 29 (1, 2); 31 (1, 2); 32 (1, 2); 33 (1, 2)
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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 to 10); 2 (1 to 10); 3 (1 to 10); 4 (1 to 8); 5 (1 to 8); 6 (1 to 4); 7 (1, 7, 8); 8 (1 to 4); 9 (1 to 4); 10 (1 to 4); 11 (1-2, 3, 4); 12 (1, 2); 13 (1, 2); 14 (1, 2); 15 (1, 2); 16 (1, 2); 17; 18 (1, 2); 19 (1, 2); 20 (1, 2); 21 (1, 2); 22 (1, 2); 23 (1, 2); 24 (1, 2); 25 (1, 2); 26 (1, 2); 27 (1, 2); 28 (1, 2); 29 (1, 2); 30 (1, 2); 31 (1, 2); 32 (1, 2); 33 (1, 2)
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CLOCKSS Archive
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Preserved
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2026-04-13
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1 to 33
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LOCKSS Archive
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Preserved
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2026-04-13
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1 to 33
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Portico
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Preserved
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2026-04-23
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Preserved : 1955/1956/1957/1958/1959: 1(1-10), 1960/1961/1962/1963/1964: 2(1-10), 1965/1966/1967/1968/1969: 3(1-10), 1970/1971/1972/1973: 4(1-8), 1974/1975/1976/1977: 5(1-8), 1978/1979/1980/1981: 6(1-8), 1982/1983/1984/1985: 7(1-8), 1986/1987: 8(1-4), 1988: 9(1-4), 1989: 10(1-4), 1990: 11(1-2), 1991: 12(1-2), 1992: 13(1-2), 1993: 14(1-2), 1994: 15(1-2), 1995: 16(1-2), 1996: 17(1-2), 1997: 18(1-2), 1998: 19(1-2), 1999: 20(1-2), 2000: 21(1-2), 2001: 22(1-2), 2002: 23(1-2), 2003: 24(1-2), 2004: 25(1-2), 2005: 26(1-2), 2006: 27(1-2), 2007: 28(1-2), 2008: 29(1-2), 2009: 30(1-2), 2010: 31(1-2), 2011: 32(1-2), 2012: 33(1-2)
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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 (1-10); 2 (1-10); 3 (1-10); 4 (1, 2); 5 (7, 8); 6 (1-8); 7 (1-8); 8 (1-4); 9 (1-4); 10 (1-4); 11 (1-2, 3, 4); 12 (1, 2); 13 (1, 2); 14 (1, 2); 15 (1, 2); 16 (1, 2); 17 (1, 2); 18 (1, 2); 19 (1, 2, 7); 20 (1, 2); 21 (1, 2); 22 (1, 2); 23 (1, 2); 24 (1, 2); 25 (1, 2); 26 (1, 2); 27 (1, 2); 28 (1, 2); 29 (1, 2)
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Library of Congress
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Preserved
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2025-04-07
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31 (1); 33 (2)
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