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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 : 4 (1 to 5); 5 (1 to 9, 11 to 15); 36 (1 to 6); 37 (1 to 4); 38 (1 to 5); 39 (2 to 5); 41 (1 to 5); 42 (1 to 5); 43 (1 to 6); 44 (1 to 7, 8-9); 45 (1 to 9, 11, 12); 46 (1 to 9, 11, 12); 47 (1 to 9, 11, 12); 48 (1 to 9, 11, 12); 49 (1 to 9, 11 to 15); 51 (1 to 9, 11 to 15); 52 (1 to 9, 11 to 15); 53 (1 to 9, 11 to 17); 54 (1 to 9, 11 to 17); 55 (1 to 9, 11 to 18); 56 (1 to 9, 11 to 18); 57 (1 to 9, 11 to 18)
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 2 (1, 2); 3 (, 1, 2); 4 (, 1, 2); 5 (, 1, 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); 24 (, 1, 2-3, 4); 25 (, 1, 2, 3-4); 26 (, 1, 2, 3-4); 27 (, 1 to 4); 28 (, 1 to 4, 5-6, 7-8, 9); 29 (, 1-2, 3, 4, 5-6, 7-8); 30 (, 1, 2-3, 4, 5-6, 7, 8); 31 (, 1-2, 3-4, 5-6, 7-8, 9-10); 32 (, 1-2, 3 to 6); 33 (, 1 to 6); 34 (, 1 to 6); 35 (, 1 to 6); 36 (, 1 to 6); 37 (, 1 to 4); 38 (, 1 to 5); 42 (, 4); 43 (, 4, 5); 44 (, 1, 7); 45 (, 5, 7, 9 to 12); 47 (, 2, 4, 7, 10); 49 (, 1 to 14); 50 (, 1 to 15); 51 (, 1 to 4, 8, 12 to 15); 52 (, 1 to 15); 53 (, 1 to 17); 54 (, 1 to 17); 55 (, 1 to 4, 7 to 18); 56 (, 1 to 18); 57 (, 1, 2, 5 to 18); 1973; 1974; 1975; 1976; 1977; 1978; 1979; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2003; 2004; 2005; 2006; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018
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Portico
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Preserved
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2026-02-12
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Preserved : 1988: 27(1-4), 1989: 28(1-4), 1990: 29(3-4), 1991: 30(1-4)
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Portico
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Preserved
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2026-02-12
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Preserved : 1993: 32(3-6), 1994: 33(1-6), 1995: 34(1-6), 1996: 35(1-6), 1997: 36(1-6), 1998: 37(1-4), 1999: 38(1-5), 2000: 39(1-5), 2001: 40(1-5), 2002: 41(1-5), 2003: 42(1-5), 2004/2005: 43(1-6), 2005: 44(1-9), 2006: 45(1-12), 2007: 46(1-12), 2008: 47(1-12), 2009: 48(1-12), 2009/2010: 49(1-15), 2011: 50(1-15), 2012: 51(1-15), 2013: 52(1-15), 2014: 53(1-17), 2015: 54(1-17), 2016: 55(1-18), 2017: 56(1-18), 2018: 57(1-18)
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CLOCKSS Archive
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Preserved
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2026-02-09
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ahead-of-print, 2 to 57
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LOCKSS Archive
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Preserved
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2026-02-09
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2 to 57
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Library of Congress
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Preserved
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2025-04-07
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49 (2 to 15); 50 (1 to 15); 51 (1 to 15); 52 (1 to 15); 53 (1 to 17); 54 (1 to 17); 55 (1 to 18); 56 (1 to 18); 57 (1 to 18)
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