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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 1 (1 to 6); 2 (, 1 to 6); 3 (, 1 to 6); 4 (, 1 to 4, 5-6); 5 (, 1-3, 4-6); 6 (, 1 to 6); 7 (, 1 to 6); 8 (, 1 to 6); 9 (, 1-2, 3 to 6); 10 (, 1); 11 (, 1); 12 (, 1); 13 (, 1); 14 (, 1); 15 (, 1); 16 (, 1); 17 (, 1 to 6); 18 (, 1 to 6); 19 (, 1 to 6); 20 (, 1 to 6); 21 (, 1); 22 (, 1); 23 (, 1); 24 (, 1); 25 (, 1); 26 (, 1); 27 (, 1); 28 (, 1); 29 (, 1); 30 (, 1); 31 (, 1); 32 (, 1); 33 (, 1); 34 (, 1); 35 (, 1); 36 (, 1); 37 (, 1); 38 (, 1); 39 (, 1 to 6); 40 (, 1); 41 (, 1 to 6); 42 (, 1 to 6); 43 (, 1 to 6); 44 (, 1 to 6); 45 (, 1 to 6); 46 (, 1 to 6); 47 (, 1 to 6); 48 (, 1 to 6); 49 (, 1 to 6); 50 (, 1 to 6); 51 (, 1 to 6); 52 (, 1 to 6); 53 (, 1 to 6); 54 (, 1 to 6); 55 (, 1 to 6); 56 (, 1 to 6); 57 (, 1 to 6); 58 (, 1 to 6); 59 (, 1 to 6); 60 (, 1 to 6); 61 (, 1 to 6); 62 (, 1 to 6); 63 (, 1 to 6); 64 (, 1 to 6); 65 (, 1 to 6); 66 (, 1 to 6); 67 (, 1 to 6); 68 (, 1 to 6); 69 (, 1 to 6); 70 (, 1 to 6); 71 (, 1 to 6); 72 (, 1 to 6); 73 (, 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); 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 6); 99 (, 1 to 6); 100 (, 1 to 6); 101 (, 1 to 6); 102 (, 1 to 6); 103 (, 1 to 6); 104 (, 1 to 6); 105 (, 1 to 6); 106 (, 1 to 6); 107 (, 1 to 6); 108 (, 1 to 6); 109 (, 1 to 6); 110 (, 1 to 6); 111 (, 1 to 6); 113 (, 3 to 6); 114 (, 1 to 6); 115 (, 1 to 6); 116 (, 1 to 6); 117 (, 1 to 6); 118 (, 1 to 6); 119 (, 1 to 6); 120 (, 1 to 6); 121 (, 1 to 4, 5-6); 122 (, 1 to 6); 123 (, 1 to 6); 124 (, 1 to 6); 125 (, 1); 1948; 1949; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960; 1961; 1962; 1963; 1964; 1965; 1966; 1967; 1968; 1969; 1970; 1971; 1972; 1973; 1974; 1975; 1976; 1977; 1978; 1979; 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 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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Internet Archive
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Preserved
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2025-08-08
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11 to 85
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Portico
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Preserved
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2026-02-12
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Preserved : 1948: 1(1-6), 1949: 2(1-6), 1952: 3(1-6), 1953: 4(1-6), 1954: 5(1-6), 1954/1955: 6(1-6), 1956/1957: 7(1-6), 1957/1958: 8(1-6), 1958: 9(1-5)
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 126
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Portico
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Preserved
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2026-02-12
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Preserved : 1959: 10(1), 1960: 11(1), 1961: 12(1), 1962: 13(1), 1963: 14(1), 1964: 15(1), 1965: 16(1), 1966: 17(1-6), 1967: 18(1-6), 1968/1969: 19(1-6), 1969: 20(1-6), 1970: 21(1), 1971: 22(1), 1972: 23(1), 1973: 24(1), 1974: 25(1), 1975: 26(1), 1976: 27(1), 1977: 28(1), 1977: 29(1), 1978: 30(1), 1978: 31(1), 1979: 32(1), 1979: 33(1), 1980: 34(1), 1980: 35(1), 1981: 36(1), 1981: 37(1), 1982: 38(1), 1982: 39(1-6), 1983: 40(1), 1983: 41(1-6), 1984: 42(1-6), 1984: 43(1-6), 1985: 44(1-6), 1985: 45(1-6), 1986: 46(1-6), 1986: 47(1-6), 1987: 48(1-6), 1987: 49(1-6), 1988: 50(1-6), 1988: 51(1-6), 1989: 52(1-6), 1989: 53(1-6), 1990: 54(1-6), 1990: 55(1-6), 1991: 56(1-6), 1991: 57(1-6), 1992: 58(1-6), 1992: 59(1-6), 1993: 60(1-6), 1993: 61(1-6), 1994: 62(1-6), 1994: 63(1-6), 1995: 64(1-6), 1995: 65(1-6), 1996: 66(1-6), 1996: 67(1-6), 1997: 68(1-6), 1997: 69(1-6), 1998: 70(1-6), 1998: 71(1-6), 1999: 72(1-6), 1999: 73(1-6), 2000: 74(1-6), 2000: 75(1-6), 2001: 76(1-6), 2001: 77(1-6), 2002: 78(1-6), 2002: 79(1-6), 2003: 80(1-6), 2003: 81(1-6), 2004: 82(1-6), 2004: 83(1-6), 2005: 84(1-6), 2005: 85(1-6), 2006: 86(1-6), 2006: 87(1-6), 2007: 88(1-6), 2007: 89(1-6), 2008: 90(1-6), 2008: 91(1-6), 2009: 92(1-6), 2009: 93(1-6), 2010: 94(1-6), 2010: 95(1-6), 2011: 96(1-6), 2011: 97(1-6), 2012: 98(1-6), 2012: 99(1-6), 2013: 100(1-6), 2013: 101(1-6), 2014: 102(1-6), 2014: 103(1-6), 2015: 104(3-6), 2015: 105(1-6), 2016: 106(1-6), 2016: 107(1-6), 2017: 108(1-6), 2017: 109(1-6), 2018: 110(1-6), 2018: 111(1-6), 2019: 112(1-6), 2019: 113(1-6), 2019/2020: 114(1-6), 2020: 115(1-6), 2021: 116(1-6), 2021: 117(1-6), 2022: 118(1-3, 5-6), 2022: 119(1-6), 2023: 120(2-6), 2023: 121(1-6), 2024: 122(1-6), 2024: 123(1-5), 2025: 124(1-3, 5-6), 2025: 125(1-6), 2026: 126(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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98, 99, 112, 113
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LOCKSS Archive
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Preserved
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2026-02-09
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100 to 111
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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 : 68 (1-6); 69 (1-6); 70 (1-6); 71 (1-6); 72 (1-6); 73 (1-6); 74 (1-6); 75 (1-6); 76 (1-6); 77 (1-6); 78 (1-6); 79 (1-6); 80 (1-6); 81 (1-6); 82 (1-6); 83 (1-6); 84 (1-6); 85 (1-6); 86 (1-6); 87 (1-6); 88 (1-4, 6); 89 (1-6); 90 (1-6); 91 (1-6); 92 (1-6); 93 (1-3, 5, 6); 94 (1-6); 95 (1-6); 96 (1-6); 97 (1-6); 98 (1-6); 99 (1-6); 100 (1-6); 101 (1, 2, 4-6); 102 (1-6); 103 (1-6); 104 (1-6); 105 (1-6); 106 (1-6); 107 (1-6); 108 (1-6); 109 (1-6); 110 (1-6); 111 (1-6); 112 (1-6); 113 (1-5)
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Library of Congress
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Preserved
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2025-04-07
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107 (1); 110 (3 to 6); 111 (1 to 6); 112 (1 to 6); 113 (1 to 6); 114 (1 to 6); 115 (1 to 6); 116 (1 to 6); 117 (1 to 3, 5, 6); 118 (1 to 6); 119 (1 to 6); 120 (1 to 6); 121 (1 to 5-6); 122 (1 to 6); 123 (1 to 4)
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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); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (1 to 6); 68 (1 to 6); 69 (1 to 6); 71 (1 to 6); 72 (1 to 6); 73 (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 6); 99 (1 to 6); 111 (1 to 6); 112 (1 to 6); 113 (1 to 6); 114 (1 to 6); 115 (1 to 6); 116 (1 to 6); 117 (1 to 6); 118 (1 to 6); 119 (1 to 6); 121 (1 to 4, 5-6); 122 (1 to 6); 123 (1 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 : 1 (1 to 6); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (1 to 6); 68 (1 to 6); 69 (1 to 6); 71 (1 to 6); 72 (1 to 6); 73 (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 6); 99 (1 to 6); 111 (1 to 6); 112 (1 to 6); 113 (1 to 6); 114 (1 to 6); 115 (1 to 6); 116 (1 to 6); 117 (1 to 6); 118 (1 to 6); 119 (1 to 6); 121 (1 to 4, 5-6); 122 (1 to 6); 123 (1 to 6)
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