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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 4); 2 (, 1 to 4); 3 (, 1 to 4); 4 (, 1 to 4); 5 (, 1 to 6); 6 (, 1 to 6); 7 (, 1 to 6); 8 (, 1 to 6); 9 (, 1, 2, 3-4, 5, 6); 10 (, 1 to 6); 11 (, 1 to 4); 12 (, 1 to 4); 13 (, 1 to 4); 14 (, 2); 19 (, 1 to 4); 20 (, 1 to 4); 21 (, 1 to 4); 22 (, 1 to 4); 23 (, 1 to 4); 24 (, 1 to 4); 25 (, 1 to 4); 26 (, 1 to 4); 27 (, 1 to 4); 28 (, 1 to 4); 29 (, 1 to 4); 30 (, 1 to 4); 31 (, 1 to 4); 32 (, 1 to 3); 33 (, 1 to 4); 34 (, 1 to 4); 35 (, 1 to 4); 36 (, 1 to 4); 37 (, 1 to 4); 38 (, 1 to 4); 39 (, 1 to 4); 40 (, 1 to 4); 41 (, 1 to 4); 42 (, 1 to 4); 43 (, 1 to 4); 44 (, 1 to 4); 45 (, 1 to 4); 46 (, 1, 3, 4); 47 (, 1 to 4); 48 (, 1 to 4); 49 (, 1 to 4); 50 (, 1 to 4); 51 (, 1 to 4); 52 (, 1 to 4); 53 (, 1 to 5); 54 (, 1 to 5); 55 (, 1 to 5); 56 (, 1 to 5); 57 (, 1 to 5); 58 (, 1 to 5); 59 (, 1 to 4); 1967; 1968; 1969; 1970; 1971; 1972; 1973; 1974; 1975; 1976; 1977; 1978; 1979; 1980; 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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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 58
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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 to 59
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LOCKSS Archive
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In Progress
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2026-02-09
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59
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Portico
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Preserved
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2026-02-12
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Preserved : 1971: 5(1-5), 1972: 6(1-5), 1973: 7(1-5), 1974: 8(1-5), 1975: 9(1-2, 5), 1976: 10(1-5), 1977: 11(1-2), 1978: 12(1-2), 1979: 13(1-2), 1980: 14(1-2), 1981: 15(1-2), 1982: 16(1-2), 1983: 17(1-2), 1984: 18(1-2), 1985: 19(1-2), 1986: 20(1-2), 1987: 21(1-2), 1988: 22(1-2), 1989: 23(1-2), 1990: 24(1-2), 1991: 25(1-2), 1992: 26(1-2), 1993: 27(1-2), 1994: 28(1-2), 1995: 29(1-2), 1996: 30(1-2), 1997: 31(1-2), 1998: 32(1-2), 1998/1999: 33(1-2), 1999/2000: 34(1-2), 2000/2001: 35(1-2), 2001/2002: 36(1-4), 2002/2003: 37(1-4), 2003/2004: 38(1-4), 2004/2005: 39(1-4), 2005/2006: 40(1-4), 2006/2007: 41(1-4), 2007/2008: 42(1-4), 2008/2009: 43(1-4), 2009/2010: 44(1-4), 2011: 45(1-4), 2012: 46(1-4), 2013: 47(1-4), 2014: 48(1-4), 2015: 49(1-4), 2016: 50(1-4), 2017: 51(1-4), 2018: 52(1-4), 2019: 53(1-5), 2020: 54(1-5), 2021: 55(1-5), 2022: 56(1-5), 2023: 57(1-5), 2024: 58(1-5), 2025: 59(1-5), 2026: 60(1)
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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 (2 to 4); 5 (1 to 4); 31 (1 to 4); 32 (1 to 3); 33 (1 to 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 41 (1 to 4); 42 (1 to 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); 51 (1 to 4); 52 (1 to 4); 53 (1 to 5); 54 (1 to 5); 55 (1 to 5); 56 (1 to 5); 57 (1 to 5); 58 (1 to 5); 59 (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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44 (2 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 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 5); 54 (1 to 5); 55 (1 to 5); 56 (1 to 5); 57 (1 to 5); 58 (1 to 5)
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