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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 1 (1 to 6); 2 (, 1 to 3, 4-5, 6); 3 (, 1 to 6); 4 (, 1 to 6); 5 (, 1 to 6); 6 (, 1 to 6); 7 (, 1 to 6); 8 (, 1 to 6); 9 (, 1-2, 3 to 8); 10 (, 1 to 7, 8-9, 10); 11 (, 1, 2-3, 4, 5, 6-7, 8, 9-10, 11, 12); 12 (, 1-2, 3 to 7, 8-9, 10, 11-13, 14); 13 (, 1 to 3, 4-5, 6 to 8, 9-11, 12 to 15); 14 (, 1, 2-3, 4 to 14, 15-17, 18); 15 (, 1 to 5, 6-7, 8 to 13, 14-16); 16 (, 1 to 18); 17 (, 1 to 18); 18 (, 1 to 5, 6-7, 8 to 10, 11-12, 13 to 20); 19 (, 1-2, 3 to 16, 17-18, 19, 20); 20 (, 1 to 20); 21 (, 1 to 20); 22 (, 1 to 8, 9-10, 11, 12); 23 (, 1 to 12); 24 (, 1 to 12); 25 (, 1 to 12); 26 (, 1 to 12); 27 (, 1 to 10); 28 (, 1 to 10); 29 (, 1 to 10); 30 (, 1 to 10); 31 (, 1 to 3, 4-5, 6 to 10); 32 (, 1 to 10); 33 (, 1 to 12); 34 (, 1 to 12); 35 (, 1 to 12); 36 (, 1 to 12); 37 (, 1 to 12); 38 (, 1 to 12); 39 (, 1 to 12); 40 (, 1 to 12); 41 (, 1 to 12); 42 (, 1 to 12); 43 (, 1 to 12); 44 (, 1, 3 to 12); 45 (, 1 to 12); 46 (, 1 to 12); 47 (, 1 to 12); 48 (, 1 to 12); 49 (, 1 to 12); 50 (, 1, 2, 4 to 12); 51 (, 1 to 8); 1974; 1976; 1977; 1978; 1979; 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 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 : 1997: 23(8)
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Portico
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Preserved
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2026-02-12
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Preserved : 2000: 26(8-9), 2001: 27(3, 7)
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Portico
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Preserved
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2026-02-12
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Preserved : 2008: 34(10-11)
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Portico
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Preserved
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2026-02-12
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Preserved : 2009: 35(10-12), 2010: 36(1-12), 2011: 37(1-2, 4-12), 2012: 38(1-12), 2013: 39(1-7, 9-12), 2013/2014: 40(1-12), 2014/2015: 41(1-9)
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LOCKSS Archive
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Preserved
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2026-02-09
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3 to 50
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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, just-accepted, 3 to 51
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LOCKSS Archive
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In Progress
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2026-02-09
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51
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Portico
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Preserved
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2026-02-12
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Preserved : 1982: 8(1-6), 1983: 9(3-8), 1984: 10(1-7, 10)
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Portico
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Preserved
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2026-02-12
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Preserved : 1985: 11(1, 4-5, 8, 11-12), 1986: 12(3-7, 10), 1987: 13(1-3, 6-8, 12), 1988: 14(1, 4-12)
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Portico
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Preserved
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2026-02-12
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Preserved : 1989: 15(1-5, 8-12), 1990: 16(1-12), 1991: 17(1-12), 1992: 18(1-5, 8-10)
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Portico
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Preserved
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2026-02-12
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Preserved : 1993: 19(3-12), 1994: 20(1-12), 1995: 21(1-12), 1996: 22(1-8, 11-12), 1997: 23(1-12), 1998: 24(1-12), 1999: 25(1-12), 2000: 26(1-12), 2001: 27(1-10), 2002: 28(1-10), 2003: 29(1-10), 2004: 30(1-10), 2005: 31(1-10), 2006: 32(1-10), 2007: 33(1-12), 2008: 34(1-12), 2009: 35(1-12), 2010: 36(1-12), 2011: 37(1-12), 2012: 38(1-12), 2013: 39(1-12), 2014: 40(1-12), 2015: 41(1-12), 2016: 42(1-12), 2017: 43(1-12), 2018: 44(1-12), 2019: 45(1-12), 2020: 46(1-12), 2021: 47(1-12), 2022: 48(1-12), 2023: 49(1-12), 2024: 50(1-12), 2025: 51(1-3, 5-12), 2026: 52(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 (2 to 9); 4 (1 to 9, 11, 12); 5 (1 to 9, 11, 12); 23 (1 to 9, 11, 12); 24 (1 to 9, 11, 12); 25 (1 to 9, 11, 12); 26 (1 to 9, 11, 12); 27 (1 to 9); 28 (1 to 9); 29 (1 to 9); 31 (1 to 3, 4-5, 6 to 9); 32 (1 to 9); 33 (1 to 9, 11, 12); 34 (1 to 9, 11, 12); 35 (1 to 9, 11, 12); 36 (1 to 9, 11, 12); 37 (1 to 9, 11, 12); 38 (1 to 9, 11, 12); 39 (1 to 9, 11, 12); 41 (1 to 9, 11, 12); 42 (1 to 9, 11, 12); 43 (1 to 9, 11, 12); 44 (1 to 9, 11, 12); 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, 12); 51 (1, 2, 4, 5)
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Library of Congress
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Preserved
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2025-04-07
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36 (1 to 12); 37 (1 to 12); 38 (1 to 12); 39 (1 to 12); 40 (1 to 12); 41 (1 to 12); 42 (1 to 12); 43 (1 to 12); 44 (1 to 12); 45 (1 to 12); 46 (1 to 12); 47 (1 to 12); 48 (1 to 12); 49 (1 to 12); 50 (1 to 8)
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