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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, 2-3, 4-5); 2 (, 1, 2, 3-4); 3 (, 1 to 4); 4 (, 1 to 4); 5 (, 1, 2-5); 6 (, 1-2, 3, 4); 7 (, 1 to 5); 8 (, 1, 2-3, 4-5); 9 (, 1 to 5); 10 (, 1 to 5); 11 (, 1 to 5); 12 (, 1 to 5); 13 (, 1, 2, 3-4); 14 (, 1-2, 3-4); 15 (, 1-2, 3-4); 16 (, 1-2, 3-4); 17 (, 1-2, 3, 4); 18 (, 1-2, 3, 4); 19 (, 1-2, 3, 4); 20 (, 1, 2-3, 4); 21 (, 1, 2-3, 4); 22 (, 1, 2-3, 4); 23 (, 1, 2-3, 4); 24 (, 1 to 4); 25 (, 1-2, 3-4); 26 (, 1, 2-3, 4); 27 (, 1-2, 3-4); 28 (, 1-2, 3, 4); 29 (, 1-2, 3-4); 30 (, 1-2, 3-4); 31 (, 1-2, 3-4); 32 (, 1-2, 3-4); 33 (, 1-2, 3-4); 34 (, 1-4); 35 (, 1-3, 4); 36 (, 1-2, 3-4); 37 (, 1-2, 3-4); 38 (, 1-2, 3-4); 39 (, 1-2, 3-4); 40 (, 1-2, 3-4); 41 (, 1-3, 4); 42 (, 1-2, 3-4); 43 (, 1-2, 3-4); 44 (, 1-2, 3-4); 45 (, 1-2, 3-4); 46 (, 1-2, 3-4); 47 (, 1-2, 3-4); 48 (, 1-2, 3-4); 49 (, 1-2, 3-4); 50 (, 1-2, 3-4); 51 (, 1-2, 3-4); 52 (, 1-2, 3-4); 53 (, 1-2, 3-4); 54 (, 1-2, 3-4); 55 (, 1-2, 3-4); 56 (, 1-2, 3-4); 57 (, 1-2, 3-4); 58 (, 1-2, 3-4); 59 (, 1-2, 3-4); 60 (, 1-2, 3-4); 61 (, 1-3, 4); 62 (, 1-2, 3-4); 63 (, 1-4); 64 (, 1-2, 3-4); 65 (, 1-2, 3-4); 66 (, 1-2, 3-4); 67 (, 1-2, 3-4); 68 (, 1-2, 3-4); 69 (, 1-2, 3-4); 70 (, 1-2, 3-4); 71 (, 1-2, 3-4); 72 (, 1-2, 3-4); 73 (, 1-2, 3-4); 74 (, 1-2, 3-4); 75 (, 1-4); 76 (, 1-2, 3-4); 77 (, 1-2, 3-4); 78 (, 1-2, 3-4); 79 (, 1, 2-4); 80 (, 1-2, 3-4); 81 (, 1-2, 3-4); 82 (, 1-2, 3-4); 83 (, 1-2, 3-4); 84 (, 1-2, 3-4); 85 (, 1-2, 3-4); 86 (, 1-2, 3-4); 87 (, 1-2, 3-4); 88 (, 1-2, 3-4); 89 (, 1-2, 3-4); 90 (, 1-2, 3-4); 91 (, 1-2, 3-4); 92 (, 1-4); 93 (, 1-2, 3-4); 94 (, 1-2, 3-4); 95 (, 1-2, 3-4); 96 (, 1-2, 3-4); 97 (, 1-2, 3-4); 98 (, 1-2, 3-4); 99 (, 1-2, 3-4); 100 (, 1-2, 3-4); 101 (, 1-2, 3-4); 102 (, 1-2, 3-4); 103 (, 1-2, 3-4); 104 (, 1-2, 3-4); 105 (, 1-2, 3-4); 106 (, 1-2, 3-4); 107 (, 1-2, 3-4); 108 (, 1-2, 3-4); 109 (, 1-2, 3-4); 110 (, 1-2, 3-4); 111 (, 1-2, 3-4); 112 (, 1-2, 3-4); 113 (, 1-2, 3-4); 114 (, 1-2, 3-4); 115 (, 1-2, 3-4); 116 (, 1, 2-4); 117 (, 1-2, 3-4); 118 (, 1-2, 3-4); 119 (, 1-4); 120 (, 1-2, 3-4); 121 (, 1-2, 3-4); 122 (, 1-2, 3-4); 123 (, 1-2, 3-4); 124 (, 1, 2-4); 125 (, 1-4); 126 (, 1, 2-4); 127 (, 1-2, 3-4); 128 (, 1-4); 129 (, 1-2, 3-4); 130 (, 1-4); 131 (, 1-2, 3-4); 132 (, 1-3, 4); 133 (, 1-2, 3-4); 134 (, 1-2, 3-4); 135 (, 1-2, 3-4); 136 (, 1-2, 3-4); 137 (, 1-2, 3-4); 138 (, 1 to 12); 139 (, 1 to 12); 140 (, 1 to 12); 141 (, 1 to 12); 142 (, 1 to 12); 143 (, 1 to 12); 144 (, 1 to 12); 145 (, 1 to 12); 146 (, 1 to 12); 147 (, 1 to 12); 148 (, 1 to 12); 149 (, 1 to 12); 150 (, 1 to 12); 151 (, 1 to 12); 152 (, 1 to 12); 153 (, 1 to 12); 154 (, 1 to 12); 155 (, 1 to 12); 156 (, 1 to 12); 157 (, 1 to 12); 158 (, 1 to 12); 159 (, 1 to 12); 160 (, 2 to 12); 161 (, 3, 6, 8 to 12); 162 (, 1 to 12); 163 (, 1 to 12); 164 (, 1 to 3); 1950; 1951; 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
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Internet Archive
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Preserved
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2025-08-08
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74 to 140
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Portico
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Preserved
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2026-02-12
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Preserved : 1950/1951: 1(1-5), 1951/1952: 2(1-4), 1952/1953: 3(1-4), 1954/1955/1956: 4(1-4), 1957: 5(1-5), 1958: 6(1-4), 1959: 7(1-5), 1960: 8(1-5), 1960/1961: 9(1-5), 1961/1962: 10(1-5), 1963/1964: 11(1-5), 1964/1965: 12(1-5), 1965: 13(1-4), 1966: 14(1-4), 1966: 15(1-4), 1967: 16(1-4), 1967/1968: 17(1-4), 1968: 18(1-4), 1968: 19(1-4), 1969: 20(1-4), 1969: 21(1-4), 1970: 22(1-4), 1970/1971: 23(1-4), 1971: 24(1-4), 1971: 25(1-4), 1972: 26(1-4), 1972: 27(1-4), 1973: 28(1-4), 1973: 29(1-4), 1974: 30(1-4), 1974/1975: 31(1-4), 1975: 32(1-4), 1976: 33(1-4), 1976: 34(1-4), 1976: 35(1-4), 1977: 36(1-4), 1977: 37(1-4), 1977: 38(1-4), 1977: 39(1-4), 1978: 40(1-4), 1978: 41(1-4), 1978: 42(1-4), 1978: 43(1-4), 1978: 44(1-4), 1978/1979: 45(1-4), 1979: 46(1-4), 1979: 47(1-4), 1979: 48(1-4), 1979: 49(1-4), 1979: 50(1-4), 1979/1980: 51(1-4), 1980: 52(1-4), 1980: 53(1-4), 1980: 54(1-4), 1980/1981: 55(1-4), 1981: 56(1-4), 1981: 57(1-4), 1981: 58(1-4), 1981: 59(1-4), 1982: 60(1-4), 1982: 61(1-4), 1982: 62(1-4), 1982: 63(1-4), 1982: 64(1-4), 1982: 65(1-4), 1982: 66(1-4), 1983: 67(1-4), 1983: 68(1-4), 1983: 69(1-4), 1984: 70(1-4), 1984: 71(1-4), 1984: 72(1-4), 1984: 73(1-4), 1985: 74(1-4), 1985: 75(1-4), 1985: 76(1-4), 1985: 77(1-4), 1985: 78(1-4), 1986: 79(1-4), 1986: 80(1-4), 1986: 81(1-4), 1986: 82(1-4), 1986: 83(1-4), 1987: 84(1-4), 1987: 85(1-4), 1987: 86(1-4), 1987: 87(1-4), 1987: 88(1-4), 1987: 89(1-4), 1988: 90(1-4), 1988: 91(1-4), 1988: 92(1-4), 1988: 93(1-4), 1988: 94(1-4), 1988: 95(1-4), 1989: 96(1-4), 1989: 97(1-4), 1989: 98(1-4), 1989: 99(1-4), 1989: 100(1-4), 1989: 101(1-4), 1990: 102(1-4), 1990: 103(1-4), 1990: 104(1-4), 1990: 105(1-4), 1990: 106(1-4), 1990: 107(1-4), 1991: 108(1-4), 1991: 109(1-4), 1991: 110(1-4), 1991: 111(1-4), 1991: 112(1-4), 1991: 113(1-4), 1992: 114(1-4), 1992: 115(1-4), 1992: 116(1-4), 1992: 117(1-4), 1992: 118(1-4), 1992: 119(1-4), 1993: 120(1-4), 1993: 121(1-4), 1993: 122(1-4), 1993: 123(1-4), 1993: 124(1-4), 1993: 125(1-4), 1994: 126(1-4), 1994: 127(1-4), 1994: 128(1-4), 1994: 129(1-4), 1994: 130(1-4), 1994: 131(1-4), 1995: 132(1-4), 1995: 133(1-4), 1995: 134(1-4), 1995: 135(1-4), 1995: 136(1-4), 1995: 137(1-4), 1996: 138(1-12), 1997: 139(1-4, 6, 9-12), 1998: 140(10), 1999: 141(5, 8, 11-12), 2000: 142(2, 10)
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 168
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Portico
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Preserved
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2026-02-12
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Preserved : 2002: 144(6), 2003: 145(1, 6, 8), 2004: 146(2, 4, 7, 10), 2005: 147(2-3), 2006: 148(1, 3-4), 2007: 149(1-2, 4-5, 7-8), 2008: 150(2-3, 6, 9-12), 2009: 151(1-12), 2010: 152(1-12), 2011: 153(1-12), 2012: 154(1, 3-8, 10, 12), 2013: 155(1-11), 2014: 156(1-10, 12), 2015: 157(3-12), 2016: 158(1-12), 2017: 159(1-12), 2018: 160(1-12), 2019: 161(1-12), 2019/2020: 162(1-12), 2021: 163(1-12), 2022: 164(1-12), 2023: 165(1-12), 2024: 166(1), 2025: 167(1), 2026: 168(1)
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LOCKSS Archive
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In Progress
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2026-02-09
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154, 161
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LOCKSS Archive
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Preserved
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2026-02-09
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155 to 160
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 164 (4 to 12); 165 (, 1 to 12); 166 (, 1); 167 (, 1); 2022; 2023; 2024; 2025
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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 : 14 (1 to 9, 11, 12); 15 (1 to 9, 11, 12); 16 (1 to 9, 11, 12); 139 (1 to 9, 11, 12); 141 (1 to 9, 11, 12); 142 (1 to 9, 11, 12); 143 (1 to 9, 11, 12); 144 (1 to 9, 11, 12); 145 (1 to 9, 11, 12); 146 (1 to 9, 11, 12); 147 (1 to 9, 11, 12); 148 (1 to 9, 11, 12); 149 (1 to 9, 11, 12); 151 (1 to 9, 11, 12); 152 (1 to 9, 11, 12); 153 (1 to 9, 11, 12); 154 (1 to 9, 11, 12); 155 (1 to 9, 11, 12); 156 (1 to 9, 11, 12); 157 (1 to 9, 11, 12); 158 (1 to 9, 11, 12); 159 (1 to 9, 11, 12); 161 (1 to 9, 11, 12); 162 (1 to 9, 11, 12); 163 (1 to 9, 11, 12); 164 (1 to 9, 11, 12); 165 (1 to 9, 11, 12); 166 (1)
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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 : 14 (1 to 9, 11, 12); 15 (1 to 9, 11, 12); 16 (1 to 9, 11, 12); 139 (1 to 9, 11, 12); 141 (1 to 9, 11, 12); 142 (1 to 9, 11, 12); 143 (1 to 9, 11, 12); 144 (1 to 9, 11, 12); 145 (1 to 9, 11, 12); 146 (1 to 9, 11, 12); 147 (1 to 9, 11, 12); 148 (1 to 9, 11, 12); 149 (1 to 9, 11, 12); 151 (1 to 9, 11, 12); 152 (1 to 9, 11, 12); 153 (1 to 9, 11, 12); 154 (1 to 9, 11, 12); 155 (1 to 9, 11, 12); 156 (1 to 9, 11, 12); 157 (1 to 9, 11, 12); 158 (1 to 9, 11, 12); 159 (1 to 9, 11, 12); 161 (1 to 9, 11, 12); 162 (1 to 9, 11, 12); 163 (1 to 9, 11, 12); 164 (1 to 9, 11, 12); 165 (1 to 9, 11, 12); 166 (1)
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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 : 2 (1); 140 (2-12); 141 (1-12); 142 (1-12); 143 (1-12); 144 (1-12); 145 (1-12); 146 (1-12); 147 (1-12); 148 (1-12); 149 (1-4, 6-12); 150 (1-12); 151 (1-12); 152 (1-12); 153 (1-12); 154 (1-12); 155 (1-3, 5-9, 11, 12); 156 (1-12); 157 (1-12); 158 (1-12); 159 (1-12); 160 (1-12); 161 (1-11)
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