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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 26 (1 to 4); 27 (, 1 to 4); 28 (, 2); 29 (, 4); 33 (, 1 to 4); 34 (, 1 to 3); 35 (, 1 to 4); 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 to 3); 50 (, 1, 3); 51 (, 1 to 3); 52 (, 1 to 3); 53 (, 1 to 3); 54 (, 1 to 3); 55 (, 1 to 3); 56 (, 1 to 3); 57 (, 1 to 3); 58 (, 1 to 3); 59 (, 1 to 3); 60 (, 1, 3); 61 (, 1 to 3); 62 (, 1 to 3); 63 (, 1 to 3); 64 (, 2, 3); 65 (, 1 to 3); 66 (, 1 to 3); 67 (, 1, 2-3); 68 (, 1 to 3); 69 (, 1 to 3); 70 (, 1 to 3); 71 (, 1 to 3); 72 (, 2, 3); 73 (, 1, 2); 1978; 1979; 1980; 1981; 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 : 1978: 26(1-4), 1979: 27(1-4), 1980: 28(1-4), 1981: 29(1-4), 1982: 30(1-4), 1983: 31(1-4), 1984: 32(1-4), 1985: 33(1-4), 1986: 34(1-3), 1987: 35(1-4), 1988: 36(1-3), 1989: 37(1-3), 1990: 38(1-3), 1991: 39(1-3), 1992: 40(1-3), 1993: 41(1-3), 1994: 42(1-3), 1995: 43(1-3), 1996: 44(1-3), 1997: 45(1-3), 1998: 46(1-3), 1999: 47(1-3), 2000: 48(1-3), 2001: 49(1-3), 2002: 50(1-3), 2003: 51(1-3), 2004: 52(1-3), 2005: 53(1-3), 2006: 54(1-3), 2007: 55(1-3), 2008: 56(1-3), 2009: 57(1-3), 2010: 58(1-3), 2011: 59(1-3), 2012: 60(1-3), 2013: 61(1-3), 2014: 62(1-3), 2015: 63(1-3), 2016: 64(1-3), 2017: 65(1-3), 2018: 66(1-3), 2019: 67(1-3), 2020: 68(1-3), 2021: 69(1-3), 2022: 70(1-3), 2023: 71(1-3), 2024: 72(1-3), 2025: 73(1-3)
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LOCKSS Archive
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Preserved
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2026-02-09
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26 to 72
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CLOCKSS Archive
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Preserved
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2026-02-09
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26 to 73
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LOCKSS Archive
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In Progress
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2026-02-09
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73
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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 : 5 (1 to 3); 6 (1 to 3); 7 (1 to 3); 45 (1 to 3); 46 (1 to 3); 47 (1 to 3); 48 (1 to 3); 49 (1 to 3); 51 (1 to 3); 52 (1 to 3); 53 (1 to 3); 54 (1 to 3); 55 (1 to 3); 56 (1 to 3); 57 (1 to 3); 58 (1 to 3); 59 (1 to 3); 61 (1 to 3); 62 (1 to 3); 63 (1 to 3); 64 (1 to 3); 65 (1 to 3); 66 (1 to 3); 67 (1, 2-3); 68 (1 to 3); 69 (1 to 3); 71 (1 to 3); 72 (1 to 3)
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Library of Congress
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Preserved
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2025-04-07
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65 (1 to 3); 66 (1 to 3); 67 (1, 2-3); 68 (1 to 3); 69 (1 to 3); 70 (1 to 3); 71 (1 to 3); 72 (1 to 3)
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