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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 35 (3); 62 (, 4); 63 (, 1 to 4); 64 (, 1 to 4); 65 (, 1 to 4); 66 (, 1 to 4); 67 (, 1 to 4); 68 (, 1 to 4); 69 (, 1 to 4); 70 (, 1 to 4); 71 (, 1, 3, 4); 72 (, 1 to 4); 73 (, 1 to 4); 74 (, 1, 2); 75 (, 1 to 4); 76 (, 1, 2, 4); 77 (, 1 to 4); 78 (, 1 to 4); 79 (, 1 to 4); 80 (, 1 to 4); 81 (, 1, 2); 1979; 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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6 to 62
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Portico
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Preserved
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2026-02-12
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Preserved : 1945: 1(1-4), 1946: 2(1-4), 1947: 3(1-4), 1948: 4(1-4), 1949: 5(1-4), 1950: 6(1-4), 1951: 7(1-4), 1952: 8(1-4), 1953: 9(1-4), 1954: 10(1-4), 1955: 11(1-4), 1956: 12(1-4), 1957: 13(1-4), 1958: 14(1-4), 1959: 15(1-4), 1960: 16(1-4), 1961: 17(1-4), 1962: 18(1-4), 1963: 19(1-4), 1964: 20(1-4), 1965: 21(1-4), 1966: 22(1-4), 1967: 23(1-4), 1968: 24(1-4), 1969: 25(1-4), 1970: 26(1-4), 1971: 27(1-4), 1972: 28(1-4), 1973: 29(1-4), 1974: 30(2-4), 1975: 31(1-4), 1976: 32(1-4), 1977: 33(1-4), 1978: 34(1-4), 1979: 35(1-4), 1980: 36(1-4), 1981: 37(1-3), 1982: 38(1-3), 1983: 39(1-3), 1984: 40(1-3), 1985: 41(1-3), 1986: 42(1-3), 1987: 43(1-3), 1988: 44(1-3), 1989: 45(1-3), 1990: 46(1-3), 1991: 47(1-3), 1992: 48(1-3), 1993: 49(1-3), 1994: 50(1-2), 1995: 51(1-3), 1996: 52(1-3), 1997: 53(1-4), 1998: 54(1-4), 1999: 55(1-4), 2000: 56(1-4), 2001: 57(1-4), 2002: 58(1-4), 2003: 59(1-4)
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CLOCKSS Archive
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Preserved
|
2026-02-09
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1 to 75
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Portico
|
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Preserved
|
2026-02-12
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Preserved : 2008: 64(1-4), 2009: 65(1-4), 2010: 66(1-4), 2011: 67(1-4), 2012: 68(1-4), 2013: 69(1-4), 2014: 70(1-4), 2015: 71(1-4), 2016: 72(1-4), 2017: 73(1-4), 2018: 74(1-4), 2019: 75(1-4)
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LOCKSS Archive
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Preserved
|
2026-02-09
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1 to 80
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|
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CLOCKSS Archive
|
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Preserved
|
2026-02-09
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1 to 81
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LOCKSS Archive
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|
In Progress
|
2026-02-09
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81
|
|
|
Portico
|
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Preserved
|
2026-02-12
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Preserved : 1979: 35(1-4), 1980: 36(1-4), 1981: 37(1-3), 1982: 38(1-3), 1983: 39(1-3), 1984: 40(1-3), 1985: 41(1-3), 1986: 42(1-3), 1987: 43(1-3), 1988: 44(1-3), 1989: 45(1-3), 1990: 46(1-3), 1991: 47(1-3), 1992: 48(1-3), 1993: 49(1, 3), 1994: 50(1-2), 1995: 51(1-3), 1996: 52(1-3), 1997: 53(1-4), 1998: 54(1-4), 1999: 55(1-4), 2000: 56(1-4), 2001: 57(1-4), 2002: 58(1-4), 2003: 59(1-4), 2004: 60(1-4), 2005: 61(1-4), 2006: 62(1-4), 2007: 63(1-4), 2008: 64(1-4), 2009: 65(1-4), 2010: 66(1-4), 2011: 67(1-4), 2012: 68(1-4), 2013: 69(1-4), 2014: 70(1-4), 2015: 71(1-4), 2016: 72(1-4), 2017: 73(1-4), 2018: 74(1-4), 2019: 75(1-4), 2020: 76(1-4), 2021: 77(1-4), 2022: 78(1-4), 2023: 79(1-4), 2024: 80(1-4), 2025: 81(1-4)
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National Digital Preservation Program, China
|
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Preserved
|
2025-12-04
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Preserved : 6 (2 to 4); 7 (1 to 4); 8 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (1 to 4); 66 (1 to 4); 67 (1 to 4); 68 (1 to 4); 69 (1 to 4); 71 (1 to 4); 72 (1 to 4); 73 (1 to 4); 74 (1 to 4); 75 (1 to 4); 76 (1 to 4); 77 (1 to 4); 78 (1 to 4); 79 (1 to 4); 81 (1)
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Library of Congress
|
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Preserved
|
2025-04-07
|
|
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75 (1 to 4); 76 (1, 2, 4); 77 (1 to 4); 78 (1 to 4); 79 (1 to 4); 80 (1 to 3)
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