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Portico
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Preserved
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2026-02-12
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Preserved : 1946: 2(1), 1947: 3(1), 1947: 6(1), 1948: 8(1), 1948: 9(1), 1948: 10(1), 1949: 12(1), 1949: 13(1), 1950: 16(1), 1950: 17(1), 1928: 18(1), 1951: 19(1), 1951: 20(1), 1951: 21(1), 1952: 23(1), 1952: 24(1), 1952: 25(1), 1952: 26(1), 1953: 27(1), 1953: 28(1), 1953: 29(1), 1953: 30(1), 1954: 33(1), 1954: 34(1), 1955: 36(1), 1955: 37(1), 1956: 39(1), 1933: 40(1), 1956: 41(1), 1957: 43(1), 1957: 44(1), 1957: 45(1), 1935: 46(1), 1935: 47(1), 1958: 48(1), 1958/1976: 50(1-4), 1977: 51(2-4), 1978: 52(1-4), 1959/1979: 53(1-4), 1980: 54(1-4), 1960/1981: 55(1-4), 1960/1982: 56(1-3), 1960/1983: 57(1-4)
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Portico
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Preserved
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2026-02-12
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Preserved : 1984: 58(2-4), 1985: 59(1-4), 1986: 60(1-4), 1961/1987: 61(1-4), 1961/1988: 62(1-4), 1989: 63(1-3), 1939/1990: 64(1-4), 1991: 65(1-4), 1992: 66(2, 4), 1993: 67(1-4), 1994: 68(1-4), 1994/1995: 69(1-4), 1964: 72(1), 1964: 73(1), 1964: 74(1), 1965: 77(1), 1965: 78(1), 1966: 79(1), 1966: 80(1), 1966: 82(1), 1967: 83(1), 1967: 84(1), 1967: 85(1), 1967: 86(1), 1968: 87(1), 1968: 88(1), 1968: 89(1), 1968: 90(1), 1969: 91(1), 1969: 92(1), 1969: 93(1), 1969: 94(1), 1970: 95(1), 1970: 96(1), 1970: 97(1), 1970: 98(1), 1971: 99(1), 1971: 100(1), 1971: 101(1), 1971: 102(1), 1972: 103(1), 1972: 104(1), 1972: 105(1), 1973: 107(1), 1973: 108(1), 1973: 109(1), 1974: 111(1), 1974: 112(1), 1974: 113(1), 1974: 114(1), 1975: 116(1), 1975: 117(1)
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CLOCKSS Archive
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Preserved
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2026-02-09
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50 to 100
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 70 (1-2, 3 to 12); 71 (, 1 to 12); 72 (, 1 to 6, 7/8, 9 to 12); 73 (, 1 to 12); 74 (, 1, 2, 3/4, 5, 6, 7/8, 9, 10, 11/12); 75 (, 1, 2/3, 4, 5/6, 7-8, 9/10, 11, 12); 76 (, 1 to 5, 6-7, 8, 9-10, 11-12); 77 (, 1-2, 3-4, 5-6, 7-8, 9, 10-11, 12); 78 (, 1-2, 3, 4-5, 6, 7-8, 9, 10, 11-12); 79 (, 1-3, 4-5, 6-7, 8, 9, 10-11, 12); 80 (, 1 to 7, 8-11, 12); 81 (, 1 to 5, 6-8, 9 to 12); 82 (, 1 to 3, 4-5, 6 to 12); 83 (, 1, 2, 3-4, 5 to 12); 84 (, 1 to 12); 85 (, 1 to 12); 86 (, 1 to 12); 87 (, 1 to 9, 10-12); 88 (, 1 to 12); 89 (, 1 to 12); 90 (, 1 to 12); 91 (, 1 to 12); 92 (, 1 to 12); 93 (, 9 to 12); 94 (, 1 to 12); 95 (, 1 to 12); 96 (, 1 to 12); 97 (, 1 to 12); 98 (, 1 to 12); 99 (, 1 to 7); 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
|
2026-02-12
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Preserved : 1976: 50(3), 1977: 51(1)
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Portico
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Preserved
|
2026-02-12
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Preserved : 1978: 52(3), 1979: 53(3), 1980: 54(1), 1981: 55(1-2, 4), 1982: 56(4)
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Portico
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Preserved
|
2026-02-12
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Preserved : 1984: 58(1)
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Portico
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Preserved
|
2026-02-12
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Preserved : 1985: 59(2)
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Portico
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Preserved
|
2026-02-12
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Preserved : 1987: 61(4), 1988: 62(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1989: 63(4), 1990: 64(4)
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Portico
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Preserved
|
2026-02-12
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Preserved : 1992: 66(1, 3)
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Portico
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Preserved
|
2026-02-12
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Preserved : 1995/1996: 70(1-12), 1996/1997: 71(1-12), 1997/1998: 72(1-12), 1999/2000: 73(1-12), 2000/2001: 74(1-12), 2001: 75(1-12), 2002/2003: 76(1-12), 2003/2004: 77(1-12), 2004/2005: 78(1-12), 2005/2006: 79(1-12), 2006: 80(1-12), 2007: 81(1-12), 2008: 82(1-12), 2009: 83(1-12), 2010: 84(1-12), 2011: 85(1-12), 2012: 86(1-12), 2013: 87(1-12), 2014: 88(1-12), 2015: 89(3-12), 2016: 90(1-12), 2017: 91(1-12), 2017/2018: 92(1-12), 2019: 93(1-12), 2020: 94(1-12), 2021: 95(1-12), 2022: 96(1-12), 2023: 97(1-12), 2024: 98(1-12), 2025: 99(1-12), 2026: 100(1-2)
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LOCKSS Archive
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In Progress
|
2026-02-09
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79 to 81, 93
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LOCKSS Archive
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Preserved
|
2026-02-09
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82 to 92
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Library of Congress
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Preserved
|
2025-04-07
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92 (2 to 12); 93 (1 to 12); 94 (1 to 12); 95 (1 to 12); 96 (1 to 12); 97 (1 to 12); 98 (1 to 11)
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National Digital Preservation Program, China
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Preserved
|
2025-10-23
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Preserved : 8 (2 to 8, 12); 9 (1 to 9, 11, 12); 71 (1 to 9, 11, 12); 72 (1 to 7, 9, 11, 12); 73 (1 to 9, 11, 12); 74 (1 to 3, 5 to 7, 9, 11); 75 (1, 2, 4, 5, 7, 9, 11, 12); 76 (1 to 6, 8, 9, 11); 77 (1, 3, 5, 7, 9, 12); 78 (1, 3, 4, 6, 7, 9, 11); 79 (1, 4, 6, 8, 9, 12); 81 (1 to 6, 9, 11, 12); 82 (1 to 4, 6 to 9, 11, 12); 83 (1 to 3, 5 to 9, 11, 12); 84 (1 to 9, 11, 12); 85 (1 to 9, 11, 12); 86 (1 to 9, 11, 12); 87 (1 to 9); 88 (1 to 9, 11, 12); 89 (1 to 9, 11, 12); 91 (1 to 9, 11, 12); 92 (1 to 9, 11, 12); 93 (1 to 9, 11, 12); 94 (1 to 9, 11, 12); 95 (1 to 9, 11, 12); 96 (1 to 9, 11, 12); 97 (1 to 9, 11, 12); 98 (1 to 9, 11, 12)
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
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Preserved : 8 (2 to 8, 12); 9 (1 to 9, 11, 12); 71 (1 to 9, 11, 12); 72 (1 to 7, 9, 11, 12); 73 (1 to 9, 11, 12); 74 (1 to 3, 5 to 7, 9, 11); 75 (1, 2, 4, 5, 7, 9, 11, 12); 76 (1 to 6, 8, 9, 11); 77 (1, 3, 5, 7, 9, 12); 78 (1, 3, 4, 6, 7, 9, 11); 79 (1, 4, 6, 8, 9, 12); 81 (1 to 6, 9, 11, 12); 82 (1 to 4, 6 to 9, 11, 12); 83 (1 to 3, 5 to 9, 11, 12); 84 (1 to 9, 11, 12); 85 (1 to 9, 11, 12); 86 (1 to 9, 11, 12); 87 (1 to 9); 88 (1 to 9, 11, 12); 89 (1 to 9, 11, 12); 91 (1 to 9, 11, 12); 92 (1 to 9, 11, 12); 93 (1 to 9, 11, 12); 94 (1 to 9, 11, 12); 95 (1 to 9, 11, 12); 96 (1 to 9, 11, 12); 97 (1 to 9, 11, 12); 98 (1 to 9, 11, 12)
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National Library of the Netherlands
|
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Preserved
|
2024-12-15
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Preserved : 71 (1-11); 72 (1-6, 7-8, 9-12); 73 (1-12); 74 (1, 2, 3-4, 5, 6, 7-8, 9, 10, 11-12); 75 (1, 2-3, 4, 5-6, 7-8, 9-10, 11, 12); 76 (1-5, 6-7, 8, 9-10, 11-12); 77 (1-2, 3-4, 5-6, 7-8, 9, 10-11, 12); 78 (1-2, 3, 4-5, 6, 7-8, 9, 10, 11-12); 79 (1-3, 4-5, 6-7, 8, 9, 10-11, 12); 80 (1-6, 8-11, 12); 81 (1-4, 6-8, 9-12); 82 (1-3, 4-5, 6-10, 12); 83 (1, 2, 3-4, 5-12); 84 (1-12); 85 (1-12); 86 (1-12); 87 (1-9, 10-12); 88 (1-12); 89 (1-12); 90 (1-9, 11, 12); 91 (1-12); 92 (1-12); 93 (1-10)
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