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