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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 78
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 49 (1 to 12); 50 (, 1 to 12); 51 (, 1 to 12); 52 (, 1 to 12); 53 (, 1 to 12); 54 (, 1 to 12); 55 (, 1 to 12); 56 (, 1 to 12); 57 (, 1 to 12); 58 (, 1 to 12); 59 (, 1 to 12); 60 (, 1 to 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 to 12); 69 (, 1 to 12); 70 (, 1 to 12); 71 (, 1 to 12); 72 (, 1 to 12); 73 (, 1 to 12); 74 (, 1 to 12); 75 (, 1 to 12); 76 (, 1 to 3, 5 to 12); 77 (, 1 to 7); 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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|
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Internet Archive
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Preserved
|
2025-08-08
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1 to 66
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Portico
|
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Preserved
|
2026-02-12
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Preserved : 1949: 1(1-12), 1950: 2(1-12), 1951: 3(1-12), 1952: 4(1-12), 1953: 5(1-12), 1954: 6(1-12), 1955: 7(1-12), 1956: 8(1-12), 1957: 9(1-12), 1958: 10(1-12), 1959: 11(1-12), 1960: 12(1-12), 1961: 13(1-12), 1962: 14(1-12), 1963: 15(1-12), 1964: 16(1-12), 1965: 17(1-12), 1966: 18(1-12), 1967: 19(1-4, 6-12), 1968: 20(2-7, 9-12), 1969: 21(1-9, 11-12), 1970: 22(1-12), 1971: 23(1-12), 1972: 24(1-12), 1973: 25(1-12), 1974: 26(1-12), 1975: 27(1-9, 11-12), 1976: 28(1-9, 11-12), 1977: 29(1-12), 1978: 30(1-12), 1979: 31(1-4, 6, 8-10, 12), 1980: 32(4, 6, 8-9, 12), 1981: 33(1-12), 1982: 34(1-12), 1983: 35(1-12), 1984: 36(1-12), 1985: 37(1-12), 1986: 38(1-12), 1987: 39(1-12), 1988: 40(1-12), 1989: 41(1-12), 1990: 42(1-12), 1991: 43(1-12), 1992: 44(1-12), 1993: 45(1-12), 1994: 46(1-12), 1995: 47(1-12), 1996: 48(1-12), 1997: 49(1-12), 1998: 50(1-12), 1999: 51(1-12), 2000: 52(1-12), 2001: 53(1-12), 2002: 54(1-12), 2003: 55(1-12), 2004: 56(1-12), 2005: 57(1-12), 2006: 58(1-12), 2007: 59(1-12), 2008: 60(1-12), 2009: 61(1-12), 2010: 62(1-12), 2011: 63(1-12), 2012: 64(1-12), 2013: 65(1-12), 2014: 66(1-12), 2015: 67(3-12), 2016: 68(1-12), 2017: 69(1-12), 2018: 70(1-12), 2019: 71(1-12), 2019/2020: 72(1-12), 2021: 73(1-12), 2022: 74(1-12), 2023: 75(3-12), 2024: 76(1-11), 2025: 77(2-12), 2026: 78(1-2)
|
|
|
LOCKSS Archive
|
|
In Progress
|
2026-02-09
|
|
|
64, 71
|
|
|
LOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
65 to 70
|
|
|
National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : 49 (5, 11, 12); 50 (1-12); 51 (1-12); 52 (1-11); 53 (1-12); 54 (5, 8); 55 (1-12); 56 (1-12); 57 (1-12); 58 (1-11); 59 (1-12); 60 (1-12); 61 (1-12); 62 (1-12); 63 (1, 3-12); 64 (1-12); 65 (1-12); 66 (1-12); 67 (1-12); 68 (1-12); 69 (1-12); 70 (1-12); 71 (1-11)
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|
|
Library of Congress
|
|
Preserved
|
2025-04-07
|
|
|
68 (3); 69 (11); 70 (3 to 12); 71 (1 to 12); 72 (1 to 12); 73 (1 to 12); 74 (1 to 12); 75 (1 to 12); 76 (1 to 11)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-10-23
|
|
|
Preserved : 5 (1 to 9, 11, 12); 6 (1 to 9, 11, 12); 7 (1 to 9, 11, 12); 49 (1 to 9, 11, 12); 51 (1 to 9, 11, 12); 52 (1 to 9, 11, 12); 53 (1 to 9, 11, 12); 54 (1 to 9, 11, 12); 55 (1 to 9, 11, 12); 56 (1 to 9, 11, 12); 57 (1 to 9, 11, 12); 58 (1 to 9, 11, 12); 59 (1 to 9, 11, 12); 61 (1 to 9, 11, 12); 62 (1 to 9, 11, 12); 63 (1 to 9, 11, 12); 64 (1 to 9, 11, 12); 65 (1 to 9, 11, 12); 66 (1 to 9, 11, 12); 67 (1 to 9, 11, 12); 68 (1 to 9, 11, 12); 69 (1 to 9, 11, 12); 71 (1 to 9, 11, 12); 72 (1 to 9, 11, 12); 73 (1 to 9, 11, 12); 74 (1 to 9, 11, 12); 75 (1 to 9, 11, 12); 76 (1 to 9, 11, 12)
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|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 5 (1 to 9, 11, 12); 6 (1 to 9, 11, 12); 7 (1 to 9, 11, 12); 49 (1 to 9, 11, 12); 51 (1 to 9, 11, 12); 52 (1 to 9, 11, 12); 53 (1 to 9, 11, 12); 54 (1 to 9, 11, 12); 55 (1 to 9, 11, 12); 56 (1 to 9, 11, 12); 57 (1 to 9, 11, 12); 58 (1 to 9, 11, 12); 59 (1 to 9, 11, 12); 61 (1 to 9, 11, 12); 62 (1 to 9, 11, 12); 63 (1 to 9, 11, 12); 64 (1 to 9, 11, 12); 65 (1 to 9, 11, 12); 66 (1 to 9, 11, 12); 67 (1 to 9, 11, 12); 68 (1 to 9, 11, 12); 69 (1 to 9, 11, 12); 71 (1 to 9, 11, 12); 72 (1 to 9, 11, 12); 73 (1 to 9, 11, 12); 74 (1 to 9, 11, 12); 75 (1 to 9, 11, 12); 76 (1 to 9, 11, 12)
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