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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 5 (1-2, 3); 6 (, 1/2, 3); 7 (, 1 to 3); 8 (, 1 to 3); 9 (, 1 to 3); 10 (, 1, 2/3); 11 (, 1 to 3); 12 (, 1 to 3); 13 (, 1 to 3); 14 (, 1 to 3); 15 (, 1 to 3); 16 (, 1, 2/3); 17 (, 1); 18 (, 1/2); 19 (, 1, 2); 21 (, 1-2, 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); 34 (, 1, 2); 35 (, 1, 2); 36 (, 1, 2); 37 (, 1, 2); 38 (, 1 to 3); 39 (, 1 to 3); 40 (, 1 to 4); 41 (, 1 to 4); 42 (, 1, 2-3, 4); 43 (, 1 to 4); 44 (, 1 to 4); 45 (, 1 to 4); 46 (, 1 to 4); 47 (, 1 to 4); 48 (, 1 to 4); 49 (, 1 to 4); 50 (, 1 to 3); 1976; 1977; 1978; 1979; 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1993; 1994; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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Portico
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Preserved
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2026-02-12
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Preserved : 2011: 36(1-2), 2012: 37(1-2), 2013: 38(1-3), 2014: 39(1-3), 2015: 40(1-4)
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LOCKSS Archive
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Preserved
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2026-02-09
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5 to 19, 21 to 49
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CLOCKSS Archive
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Preserved
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2026-02-09
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5 to 19, 21 to 50
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LOCKSS Archive
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In Progress
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2026-02-09
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50
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Portico
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Preserved
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2026-02-12
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Preserved : 1976: 5(1-3), 1977: 6(1-3), 1978: 7(1-3), 1979: 8(1-3), 1980: 9(1-3), 1981: 10(1-3), 1982: 11(1-3), 1983: 12(1-3), 1984: 13(1-3), 1985: 14(1-3), 1986: 15(1-3), 1987: 16(1-3), 1988: 17(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1993: 18(1-2), 1994: 19(1-2)
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Portico
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Preserved
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2026-02-12
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Preserved : 1996: 21(1-2), 1997: 22(1-2), 1998: 23(1-2), 1999: 24(1-2), 2000: 25(1-2), 2001: 26(1-2), 2002: 27(1-2), 2003: 28(1-2), 2004: 29(1-2), 2005: 30(1-2), 2006: 31(1-2), 2007: 32(1-2), 2008: 33(1-2), 2009: 34(1-2), 2010: 35(1-2), 2011: 36(1-2), 2012: 37(1-2), 2013: 38(1-3), 2014: 39(1-3), 2015: 40(1-4), 2016: 41(1-4), 2017: 42(1-4), 2018: 43(1-4), 2019: 44(1-4), 2020: 45(1-4), 2021: 46(1-4), 2022: 47(1-4), 2023: 48(1-4), 2024: 49(1-4), 2025: 50(1-4)
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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 : 42 (2-3, 4); 43 (1 to 3)
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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 : 42 (2-3, 4); 43 (1, 2)
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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 : 3 (1, 2); 4 (1 to 4); 5 (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); 34 (1, 2); 35 (1, 2); 36 (1, 2); 37 (1, 2); 38 (1 to 3); 39 (1 to 3); 41 (1 to 4); 42 (1, 2-3, 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4)
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Library of Congress
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Preserved
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2025-04-07
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40 (4); 42 (1, 2-3, 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4)
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