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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 16 (1 to 6); 17 (, 1 to 6); 18 (, 1 to 6); 19 (, 1 to 6); 20 (, 1 to 6); 21 (, 1 to 6); 22 (, 1 to 6); 23 (, 1 to 4); 24 (, 1-2, 3-4); 25 (, 1, 2-3, 4); 26 (, 1-2, 3-4); 27 (, 1-2, 3, 4); 28 (, 1, 2, 3-4); 29 (, 1 to 4); 30 (, 1 to 4); 31 (, 1 to 4); 32 (, 1 to 4); 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 (, 1-4); 46 (, 1 to 4); 47 (, 1-2, 3-4); 48 (, 1 to 4); 49 (, 1-2, 3, 4); 50 (, 1-2, 3-4, 5-6); 51 (, 1 to 6); 52 (, 1 to 3, 4-5, 6); 53 (, 1 to 4, 5-6); 54 (, 1 to 3, 4-5, 6); 55 (, 1-2, 3, 4, 5-6); 56 (, 1-2, 3, 4, 5-6); 57 (, 1 to 6); 58 (, 1 to 8); 59 (, 1 to 8); 60 (, 1-2, 3 to 7, 8-9, 10-11, 12); 61 (, 1 to 5, 10 to 12); 62 (, 1 to 12); 63 (, 1 to 12); 64 (, 1 to 12); 65 (, 1 to 4, 6 to 12); 66 (, 1 to 12); 67 (, 3 to 12); 68 (, 1, 2-3, 4 to 12); 69 (, 1 to 6, 7-8, 9 to 12); 70 (, 1 to 4, 5-6, 7 to 12); 71 (, 1 to 16); 72 (, 1 to 12); 73 (, 1 to 13); 74 (, 1 to 10); 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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CLOCKSS Archive
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Preserved
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2026-02-09
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ahead-of-print, 16 to 74
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Portico
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Preserved
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2026-02-12
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Preserved : 1982: 13(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1985: 16(1-6), 1986: 17(1-6), 1987: 18(1-6), 1988: 19(1-3)
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Portico
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Preserved
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2026-02-12
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Preserved : 1989: 20(1-3), 1990: 21(1-3), 1991: 22(1-3), 1992: 23(1-3), 1992: 25(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1993: 27(1-4), 1993: 28(1-2), 1994: 29(1-4), 1994: 30(1-4), 1994: 31(1-4), 1995: 32(1-4), 1995: 33(1-4), 1995: 34(1-4), 1995: 35(1-4), 1996: 36(1-4), 1996: 37(1-4), 1996: 38(1-4), 1997: 39(1-4), 1997: 40(1-4), 1997: 41(1-4), 1997: 42(1-4), 1998: 43(1-4), 1998: 44(1-4), 1999: 45(1-4), 1999: 46(1-4), 2000: 47(1-4), 2000: 48(1-4), 2001: 49(1-6), 2001: 50(1-6), 2002: 51(1-6), 2003: 52(1-6), 2004: 53(1-6), 2005: 54(1-6), 2006: 55(1-6), 2007: 56(1-6), 2007/2008: 57(1-6), 2009: 58(1-6), 2010: 59(1-8), 2011: 60(1-12), 2012: 61(1-12), 2013: 62(1-12), 2014: 63(1-12), 2015: 64(1-12), 2016: 65(1-12), 2017: 66(1-12), 2018: 67(1-12), 2019: 68(1-12), 2020: 69(1-12), 2021: 70(1-12), 2022: 71(1-16), 2023: 72(1-12), 2024: 73(1-13), 2025: 74(1-17), 2026: 75(1-2)
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LOCKSS Archive
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Preserved
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2026-02-09
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16 to 73
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CLOCKSS Archive
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Preserved
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2026-02-09
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57 to 66
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LOCKSS Archive
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In Progress
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2026-02-09
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74
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Library of Congress
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Preserved
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2025-04-07
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59 (1 to 8); 60 (1-2, 3 to 8-9, 10-11, 12); 61 (1 to 12); 62 (1 to 12); 63 (1 to 12); 64 (1 to 12); 65 (1 to 12); 66 (1 to 12); 67 (1 to 12); 68 (1, 2-3, 4, 6 to 12); 69 (1 to 7-8, 9 to 12); 70 (1, 3 to 5-6, 7 to 12); 71 (1 to 16); 72 (1 to 12); 73 (1 to 12)
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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 : 7 (1 to 4, 5-6, 7 to 9, 11, 12); 69; 71 (1 to 9, 11 to 16); 72 (1 to 9, 11); 73 (1 to 9, 11 to 13); 74 (1 to 3, 6)
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