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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 45 (1 to 3); 46 (, 1 to 3); 47 (, 1 to 3); 48 (, 1 to 3); 49 (, 1 to 3); 50 (, 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); 60 (, 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 to 3); 68 (, 1 to 3); 69 (, 1 to 3); 70 (, 1, 2); 71 (, 1 to 3); 72 (, 1); 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 : 1953: 1(1-4), 1955: 2(1-4), 1956: 3(1-4), 1957: 4(1-4), 1958: 5(1-4), 1959: 6(1-4), 1960: 7(1-4), 1961: 8(1-4), 1962: 9(1-4), 1963: 10(1-4), 1964: 11(1-4), 1965: 12(1-4), 1966: 13(1-4), 1967: 14(1-4), 1968: 15(1-4), 1969: 16(1-4), 1970: 17(1-3), 1971: 18(1-3), 1972: 19(1-3), 1973: 20(1-3), 1974: 21(1-3), 1975: 22(1-3), 1976: 23(1-3), 1977: 24(1-3), 1978: 25(1-3), 1979: 26(1-2)
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Portico
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Preserved
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2026-02-12
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Preserved : 1996: 43(3), 1997: 44(1-3), 1998: 45(1-3), 1999: 46(1-3), 2000: 47(1-3), 2001: 48(1-3), 2002: 49(1-3)
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Portico
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Preserved
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2026-02-12
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Preserved : 2008: 55(1-3), 2009: 56(1-3), 2010: 57(1-3), 2011: 58(1-3), 2012: 59(1-3), 2013: 60(1-3), 2014/2015: 61(1-3)
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Portico
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Preserved
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2026-02-12
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Preserved : 1998: 45(1-3), 1999: 46(1-3), 2000: 47(1-3), 2001: 48(1-3), 2002: 49(1-3), 2003: 50(1-3), 2004: 51(1-2)
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LOCKSS Archive
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In Progress
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2026-02-09
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45 to 67
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CLOCKSS Archive
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Preserved
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2026-02-09
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45 to 72
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Portico
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Preserved
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2026-02-12
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Preserved : 2008: 55(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 2012: 59(1), 2013: 60(1-3), 2014: 61(1-3), 2015: 62(1-3), 2016: 63(1-3), 2017: 64(1-3), 2018: 65(1-3), 2019: 66(1-3), 2020: 67(1-3), 2021: 68(1-3), 2022: 69(1-2), 2023: 70(1-3), 2024: 71(1-3), 2025: 72(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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65 (1 to 3); 66 (1 to 3); 67 (1 to 3); 68 (1 to 3); 69 (1 to 3); 70 (1 to 3); 71 (1, 2)
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : 71 (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 : 71 (1, 2)
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National Library of the Netherlands
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Preserved
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2024-12-15
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Preserved : 45 (1-3); 46 (1-3); 47 (1-3); 48 (1-3); 49 (1-3); 50 (1-3); 51 (1-3); 52 (1-3); 53 (1-3); 54 (1-3); 55 (1-3); 56 (1-3); 57 (1-3); 58 (1-3); 59 (1-3); 60 (1-3); 61 (1-3); 62 (1-3); 63 (1-3); 64 (1-3); 65 (1-3); 66 (1, 2)
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