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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 75 (1 to 6); 76 (, 1 to 6); 77 (, 1 to 6); 78 (, 1 to 6); 79 (, 1 to 6); 80 (, 1 to 6); 81 (, 1 to 6); 82 (, 1 to 6); 83 (, 1 to 6); 84 (, 1 to 6); 85 (, 1 to 6); 86 (, 1 to 6); 87 (, 1 to 6); 88 (, 1 to 6); 89 (, 1 to 6); 90 (, 1 to 6); 91 (, 1 to 6); 92 (, 1 to 6); 93 (, 1 to 6); 94 (, 1 to 6); 95 (, 1 to 6); 96 (, 1 to 6); 97 (, 1 to 6); 98 (, 1 to 4, 5-6); 99 (, 1 to 4, 5-6); 100 (, 1 to 6); 101 (, 2 to 6); 102 (, 1, 2); 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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Internet Archive
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Preserved
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2025-08-08
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1 to 81
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 102
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Portico
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Preserved
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2026-02-12
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Preserved : 1923/1924: 1(1-14), 1925: 2(1-12), 1926: 3(1-12), 1927: 4(1-12), 1928: 5(1-12), 1929: 6(1-12), 1930: 7(1-12), 1931: 8(1-12), 1932: 9(1-12), 1933: 10(1-12), 1934: 11(1-12), 1935: 12(1-12), 1936: 13(1-12), 1937: 14(1-12), 1938: 15(1-12), 1939: 16(1-12), 1940: 17(1-12), 1941: 18(1-12), 1942: 19(1-12), 1943: 20(1-12), 1944: 21(1-12), 1945: 22(1-12), 1946: 23(1-12), 1947: 24(1-12), 1948: 25(1-12), 1949: 26(1-12), 1950: 27(1-12), 1951: 28(1-12), 1952: 29(1-12), 1953: 30(1-12), 1954: 31(1-12), 1955: 32(1-12), 1956: 33(1-12), 1957: 34(1-12), 1958: 35(1-12), 1959: 36(1-12), 1960: 37(1-12), 1961: 38(1-12), 1962: 39(1-12), 1963: 40(1-12), 1964: 41(1-12), 1965: 42(1-12), 1966: 43(1-12), 1967: 44(1-12), 1968: 45(1-12), 1969: 46(1-12), 1970: 47(1-12), 1971: 48(1-12), 1972: 49(1-12), 1973: 50(1-12), 1974: 51(1-12), 1975: 52(1-12), 1976: 53(1-12), 1977: 54(1-12), 1978: 55(1-12), 1979: 56(1-12), 1980: 57(1-12), 1981: 58(1-12), 1982: 59(1-12), 1983: 60(1-12), 1984: 61(1-12), 1985: 62(1-12), 1986: 63(1-12), 1987: 64(1-12), 1988: 65(1-12), 1989: 66(1-12), 1990: 67(1-12), 1991: 68(1-12), 1992: 69(1-12), 1993: 70(1-12), 1994: 71(1-12), 1995: 72(1-12), 1996: 73(1-12), 1997: 74(1-6), 1998: 75(1-6), 1999: 76(1-6), 2000: 77(1-6), 2001: 78(1-6), 2002: 79(1-6), 2003: 80(1-6), 2004: 81(1-6), 2005: 82(1-6), 2006: 83(1-6), 2007: 84(1-6), 2008: 85(1-6), 2009: 86(1-6), 2010: 87(1-6), 2011: 88(1-6), 2012: 89(1-6), 2013: 90(1-6), 2014: 91(1-6), 2015: 92(1-6), 2016: 93(1-6), 2017: 94(1-6), 2018: 95(1-6), 2019: 96(1-6), 2019/2020: 97(1-6), 2021: 98(1-6), 2022: 99(1-6), 2023: 100(1-6), 2024: 101(1-6), 2025: 102(2-6)
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LOCKSS Archive
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In Progress
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2026-02-09
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89, 96
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LOCKSS Archive
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Preserved
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2026-02-09
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90 to 95
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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 : 1 (1 to 6); 8 (1 to 6); 9 (1 to 6); 11 (1 to 6); 74 (1 to 6); 75 (1 to 6); 76 (1 to 6); 77 (1 to 6); 78 (1 to 6); 79 (1 to 6); 81 (1 to 6); 82 (1 to 6); 83 (1 to 6); 84 (1 to 6); 85 (1 to 6); 86 (1 to 6); 87 (1 to 6); 88 (1 to 6); 89 (1 to 6); 91 (1 to 6); 92 (1 to 6); 93 (1 to 6); 94 (1 to 6); 95 (1 to 6); 96 (1 to 6); 97 (1 to 6); 98 (1 to 4, 5-6); 99 (1 to 4, 5-6)
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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 : 1 (1 to 6); 8 (1 to 6); 9 (1 to 6); 11 (1 to 6); 74 (1 to 6); 75 (1 to 6); 76 (1 to 6); 77 (1 to 6); 78 (1 to 6); 79 (1 to 6); 81 (1 to 6); 82 (1 to 6); 83 (1 to 6); 84 (1 to 6); 85 (1 to 6); 86 (1 to 6); 87 (1 to 6); 88 (1 to 6); 89 (1 to 6); 91 (1 to 6); 92 (1 to 6); 93 (1 to 6); 94 (1 to 6); 95 (1 to 6); 96 (1 to 6); 97 (1 to 6); 98 (1 to 4, 5-6); 99 (1 to 4, 5-6)
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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 : 91 (2 to 6)
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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 : 91 (2 to 6)
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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 : 75 (3, 4); 77 (3, 4); 85 (1-6); 86 (1-6); 87 (1-6); 88 (1-6); 89 (1-6); 90 (1-6); 91 (1-6); 92 (1-6); 93 (1-6); 94 (1-6); 95 (1-6); 96 (1-4)
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