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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 (, 1); 3 (, 1); 4 (, 1); 5 (, 1/2, 3/4, 5/6, 7/8, 9/10, 11/12); 6 (, 1/2, 3/4, 5/6, 7/8, 9/12); 7 (, 1); 8 (, 1); 9 (, 1); 10 (, 1); 11 (, 1 to 4); 12 (, 1, 2/3, 4); 13 (, 1 to 4); 14 (, 1, 2/3, 4); 15 (, 1); 16 (, 1, 2, 3/4); 17 (, 1); 18 (, 1, 2/3, 4); 19 (, 1/2, 3/4); 20 (, 1 to 4); 21 (, 1, 2, 3/4); 22 (, 1/2, 3/4); 23 (, 1, 2/3, 4); 24 (, 1/2, 3/4); 25 (, 1/2, 3-4); 26 (, 1, 2, 3/4); 27 (, 1/2, 3/4); 28 (, 1, 2, 3/4); 29 (, 1/4); 30 (, 1/2, 3/4); 31 (, 1, 2, 3/4); 32 (, 1/2, 3/4); 33 (, 1, 2/4); 34 (, 1 to 4); 35 (, 1 to 4); 36 (, 1 to 4); 37 (, 1 to 3); 38 (, 1 to 3); 39 (, 1 to 3); 40 (, 1 to 3); 41 (, 1 to 3); 42 (, 1 to 3); 43 (, 1 to 3); 44 (, 1 to 3); 45 (, 1 to 3); 46 (, 1 to 3); 47 (, 1 to 3); 48 (, 1 to 3); 49 (, 1 to 3); 50 (, 1 to 3); 51 (, 1 to 3); 52 (, 1 to 3); 53 (, 1 to 3); 54 (, 1 to 3); 55 (, 1 to 3); 56 (, 1 to 3); 57 (, 1 to 3); 58 (, 1 to 3); 59 (, 1 to 3); 60 (, 1 to 3); 61 (, 1 to 3); 62 (, 1 to 3); 63 (, 1 to 3); 64 (, 1 to 3); 65 (, 1 to 3); 66 (, 1 to 3); 67 (, 1 to 3); 68 (, 1 to 3); 69 (, 1 to 3); 70 (, 1 to 3); 71 (, 1 to 3); 72 (, 1 to 3); 73 (, 1 to 3); 74 (, 1 to 3); 75 (, 1 to 3); 76 (, 1 to 3); 77 (, 1 to 3); 78 (, 1 to 3); 79 (, 1 to 3); 80 (, 1 to 3); 81 (, 1 to 3); 82 (, 1 to 3); 83 (, 1 to 3); 84 (, 1 to 3); 85 (, 1 to 3); 86 (, 1 to 3); 87 (, 1 to 3); 88 (, 1 to 3); 89 (, 1 to 3); 90 (, 1 to 3); 91 (, 1/2, 3); 92 (, 1 to 3); 93 (, 1/2, 3); 94 (, 1 to 3); 95 (, 1 to 3); 96 (, 1 to 3); 97 (, 1 to 3); 98 (, 1 to 3); 99 (, 1 to 3); 100 (, 1 to 3); 101 (, 1 to 3); 102 (, 1 to 3); 103 (, 1 to 3); 104 (, 1 to 3); 105 (, 1 to 3); 106 (, 1 to 3); 107 (, 1 to 3); 108 (, 1 to 3); 109 (, 1 to 3); 110 (, 1 to 3); 111 (, 1 to 3); 112 (, 1 to 3); 113 (, 1 to 3); 114 (, 1 to 3); 115 (, 1 to 3); 116 (, 1 to 3); 117 (, 1 to 3); 118 (, 1 to 3); 119 (, 1/2, 3); 120 (, 1 to 3); 121 (, 1/2, 3); 122 (, 1/2, 3); 123 (, 1 to 3); 124 (, 1-2, 2, 3); 125 (, 1/2, 3); 126 (, 1/2, 3); 127 (, 1/2, 3); 128 (, 1/2, 3); 129 (, 1 to 3); 130 (, 1 to 3); 131 (, 1 to 3); 132 (, 1/2, 3); 133 (, 1/2, 3); 134 (, 1/2, 3); 135 (, 1 to 3); 136 (, 1 to 3); 137 (, 1/2, 3); 138 (, 1 to 3); 139 (, 1 to 3); 140 (, 1/2, 3); 141 (, 1 to 3); 142 (, 1 to 3); 143 (, 1/2, 3); 144 (, 1 to 3); 145 (, 1 to 3); 146 (, 1/2, 3); 147 (, 1 to 3); 148 (, 1 to 3); 149 (, 1 to 3); 150 (, 1 to 3); 151 (, 1 to 3); 152 (, 1 to 3); 153 (, 1 to 3); 154 (, 1 to 3); 155 (, 1 to 3); 156 (, 1 to 3); 157 (, 1 to 3); 158 (, 1 to 3); 159 (, 1 to 3); 160 (, 1 to 3); 161 (, 1 to 3); 162 (, 1 to 3); 163 (, 1 to 3); 164 (, 1 to 3); 165 (, 1 to 3); 166 (, 1 to 3); 167 (, 1 to 3); 168 (, 1 to 3); 169 (, 1 to 3); 170 (, 1 to 3); 171 (, 1 to 3); 172 (, 1 to 3); 173 (, 1 to 3); 174 (, 1 to 3); 175 (, 1 to 3); 176 (, 1 to 3); 177 (, 1 to 3); 178 (, 1 to 3); 179 (, 1 to 3); 180 (, 1 to 3); 181 (, 1 to 3); 182 (, 1 to 3); 183 (, 1 to 3); 184 (, 1 to 3); 185 (, 1 to 3); 186 (, 1 to 3); 187 (, 1 to 3); 188 (, 1 to 3); 189 (, 1 to 3); 190 (, 1 to 18); 191 (, 1 to 18); 192 (, 1 to 12); 193 (, 1 to 12); 194 (, 1 to 12); 195 (, 1 to 12); 196 (, 1 to 12); 197 (, 1 to 12); 198 (, 1 to 12); 199 (, 1, 3, 5); 200 (, 1, 2); 1936; 1937; 1938; 1939; 1946; 1947; 1948; 1949; 1955; 1956; 1959; 1960; 1961; 1962; 1963; 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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166 to 183
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Portico
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Preserved
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2026-02-12
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Preserved : 1936: 1(1), 1937: 2(1), 1938: 3(1)
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 207
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Portico
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Preserved
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2026-02-12
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Preserved : 1946: 5(1-2, 5-8)
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Portico
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Preserved
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2026-02-12
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Preserved : 1948: 6(9-12)
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Portico
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Preserved
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2026-02-12
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Preserved : 1955: 9(1), 1956: 10(1), 1959: 11(1, 3-4), 1960: 12(2-3)
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Portico
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Preserved
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2026-02-12
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Preserved : 1967: 17(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1968: 18(2-3), 1969: 19(3-4), 1969: 20(3), 1970: 21(1-4)
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Portico
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Preserved
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2026-02-12
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Preserved : 1974: 27(3-4), 1975: 30(1-2), 1975: 31(1), 1976: 32(3-4)
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Portico
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Preserved
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2026-02-12
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Preserved : 1985: 64(2), 1985: 65(1), 1986: 68(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1989: 78(3), 1989: 80(2), 1990: 84(1), 1990: 85(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1994: 98(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1995: 104(2)
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Portico
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Preserved
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2026-02-12
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Preserved : 1996: 108(3), 1997: 110(1-3), 1997: 111(1-3), 1997: 112(1-3), 1997: 113(1-3), 1998: 114(1-3), 1998: 115(1-3), 1998: 116(1-3), 1998: 117(1-3), 1999: 118(1-3), 1999: 119(1-3), 1999: 120(1-3), 1999: 121(1-3), 2000: 122(1-3), 2000: 123(1-3), 2000: 124(1-3), 2000: 125(1-3), 2001: 126(1-3), 2001: 127(1-3), 2001: 128(1-3), 2001: 129(1-3), 2002: 130(1-3), 2002: 131(1-3), 2002: 132(1-3), 2002: 133(1-3), 2003: 134(1-3), 2003: 135(1-3), 2003: 136(1-3), 2003: 137(1-3), 2004: 138(1-3), 2004: 139(1-3), 2004: 140(1-3), 2004: 141(1-3), 2004/2005: 142(1-3), 2005: 143(1-3), 2005: 144(1-3), 2005: 145(1-3), 2005: 146(1-3), 2005: 147(1-3), 2006: 148(1-3), 2006: 149(1-3), 2006: 150(1-3), 2006: 151(1-3), 2006: 152(1-3), 2006: 153(1-3), 2007: 154(1-3), 2007: 155(1-3), 2007: 156(1-3), 2007: 157(1-3), 2007: 158(1-3), 2007: 159(1-3), 2008: 160(1-3), 2008: 161(1-3), 2008: 162(1-3), 2008: 163(1-3), 2008: 164(1-3), 2008: 165(1-3), 2009: 166(1-3), 2009: 167(1-3), 2009: 168(1-3), 2009: 169(1-3), 2009: 170(1-3), 2009: 171(1-3), 2010: 172(1-3), 2010: 173(1-3), 2010: 174(1-3), 2010: 175(1-3), 2010: 176(1-3), 2010: 177(1-3), 2011: 178(1-3), 2011: 179(1-3), 2011: 180(1-3), 2011: 181(1-3), 2011: 182(1-3), 2011: 183(1-3), 2012: 184(1-3), 2012: 185(1-3), 2012: 186(1-3), 2012: 187(1-2), 2012: 188(3), 2012: 189(1, S 1, 2-3), 2013: 190(1-12, 16-18), 2014: 191(1-18), 2015: 192(1, 3-12), 2016: 193(1-12), 2017: 194(1-12), 2018: 195(1-12), 2019: 196(1-12), 2017/2018/2019/2020: 197(1-12), 2021: 198(1, S 1, 2, S 2, 3, S 3, 4, S 4, 5, S 5, 6, S 6, 7, S 7, 8, S 8, 9, S 9, 10, S 10, 11, S 11, 12, S 12, S 13, S 14, S 15, S 16, S 17, S 18, S 19, S 20, S 21, S 22, S 23, S 24, S 25, S 26, S 27), 2021: 199(1-2, S 1, S 2, 3-4, S 3, 5-6), 2022: 200(1-6), 2022/2023: 201(1-6), 2023: 202(1-6), 2024: 203(1-6), 2024: 204(1-6), 2024/2025: 205(1-6), 2025: 206(1-6), 2026: 207(1-2)
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Portico
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Preserved
|
2026-02-12
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Preserved : 1997: 35(1), 1977: 36(1), 1978: 37(1-2), 1978: 38(2), 1978: 39(2), 1979: 40(1), 1979: 42(1), 1980: 44(1), 1980: 45(3), 1981: 48(3), 1982: 51(1), 1982: 52(3), 1982: 53(3)
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LOCKSS Archive
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In Progress
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2026-02-09
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184 to 189, 196
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LOCKSS Archive
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Preserved
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2026-02-09
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190 to 195
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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 : 24 (3); 110 (1-3); 111 (1-3); 112 (1-3); 113 (1-3); 114 (1-3); 115 (1-3); 116 (1-3); 117 (1-3); 118 (1-3); 119 (1, 3); 120 (1-3); 121 (1, 3); 122 (1, 3); 123 (1-3); 124 (1-3); 125 (1, 3); 126 (1, 3); 127 (1, 3); 128 (1, 3); 129 (1-3); 130 (1-3); 131 (1-3); 132 (1, 3); 133 (1, 3); 134 (1, 3); 135 (1-3); 136 (1-3); 137 (1, 3); 138 (1-3); 139 (2, 3); 140; 141 (1-3); 142 (1, 3); 143 (1-2, 3); 144 (1-3); 145 (1-3); 146 (1-2, 3); 147 (1); 148 (2, 3); 149 (1-3); 150 (1, 2); 151 (1, 2); 152 (1, 3); 153 (1-3); 154 (1-3); 155 (1-3); 156 (1-3); 157 (1-3); 158 (1-3); 159 (1, 2); 160 (1-3); 161 (1-3); 162 (1-3); 163 (1-3); 164 (1-3); 165 (1-3); 166 (1-3); 167 (1-3); 168 (1-3); 169 (1-3); 170 (1-3); 171 (1-3); 172 (1-3); 173 (1-3); 174 (1-3); 175 (supplement-1, 1-3); 176 (1-3); 177 (supplement-1, 1-3); 178 (1-3); 179 (supplement-1, 1, 3); 180 (1-3); 181 (supplement-1, 1-3); 182 (1-3); 183 (supplement-1, 1-3); 184 (1-3); 185 (supplement-1, 1-3); 186 (1-3); 187 (supplement-1, 1-3); 188 (1-3); 189 (supplement-1, 1-3); 190 (supplement-1, 1-18); 191 (1-18); 192 (supplement-1, 1-12); 193 (1-12); 194 (1-12); 195 (1-12); 196 (1-11)
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Library of Congress
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Preserved
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2025-04-07
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194 (12); 195 (2 to 12); 196 (1 to 12); 197 (1 to 12); 198 (1, S1, 2, S2, S3, S4, 3, S5, S6, 4 to 6, S7, 7, S8, 8, S9, 9, 10, S10, S11, 11, 12, S12, S13, S14, S15, S16, S17, S18, S19, S20, S21, S22, S23, S24, S25, S26, S27); 199 (S1, 1-2, S2, S3, 3-4, 5-6); 200 (1 to 6); 201 (1 to 6); 202 (1 to 6); 203 (1 to 6); 204 (1 to 5); 205 (1)
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 200 (3 to 6); 201 (, 1 to 6); 202 (, 1 to 6); 203 (, 1 to 6); 204 (, 1 to 6); 205 (, 1 to 6); 206 (, 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 : 2 (1 to 6); 11 (1 to 3); 12 (1 to 3); 13 (1 to 3); 14 (1, 3); 15 (1 to 3); 16 (1 to 3); 17 (1 to 3); 18 (1 to 3); 19 (Suppl 1, 1 to 9, 11 to 18); 21 (1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (1 to 6); 35 (1); 111 (2, 3); 112 (1 to 3); 113 (1 to 3); 114 (1 to 3); 115 (1 to 3); 116 (1 to 3); 117 (1 to 3); 118 (1 to 3); 119 (1, 3); 121 (1, 3); 122 (1, 3); 123 (1 to 3); 124 (1 to 3); 125 (1, 3); 126 (1, 3); 127 (1, 3); 128 (1, 3); 129 (1 to 3); 131 (1 to 3); 132 (1, 3); 133 (1, 3); 134 (1, 3); 135 (1 to 3); 136 (1 to 3); 137 (1, 3); 138 (1 to 3); 139 (1 to 3); 141 (1 to 3); 142 (1 to 3); 143 (1, 3); 144 (1 to 3); 145 (1 to 3); 146 (1, 3); 147 (1 to 3); 148 (1 to 3); 149 (1 to 3); 151 (1 to 3); 152 (1 to 3); 153 (1 to 3); 154 (1 to 3); 155 (1 to 3); 156 (1 to 3); 157 (1 to 3); 158 (1 to 3); 159 (1 to 3); 161 (1 to 3); 162 (1 to 3); 163 (1 to 3); 164 (1 to 3); 165 (1 to 3); 166 (1 to 3); 167 (1 to 3); 168 (1 to 3); 169 (1 to 3); 171 (1 to 3); 172 (1 to 3); 173 (1 to 3); 174 (1 to 3); 175 (Suppl 1, 1 to 3); 176 (1 to 3); 177 (Suppl 1, 1 to 3); 178 (1 to 3); 179 (Suppl 1, 1 to 3); 181 (Suppl 1, 1 to 3); 182 (1 to 3); 183 (Suppl 1, 1 to 3); 184 (1 to 3); 185 (Suppl 1, 1 to 3); 186 (1 to 3); 187 (Suppl 1, 1 to 3); 188 (1 to 3); 189 (Suppl 1, 1 to 3); 191 (1 to 9, 11 to 18); 192 (Suppl 1, 1 to 9, 11, 12); 193 (1 to 9, 11, 12); 194 (1 to 9, 11, 12); 195 (1 to 9, 11, 12); 196 (1 to 9, 11, 12); 197 (1 to 9, 11, 12); 198 (Suppl 3, 1 to 9, 11, 12); 199 (Suppl 3, 1-2, 3-4, 5-6)
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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 : 2 (1 to 6); 11 (1 to 3); 12 (1 to 3); 13 (1 to 3); 14 (1, 3); 15 (1 to 3); 16 (1 to 3); 17 (1 to 3); 18 (1 to 3); 19 (Suppl 1, 1 to 9, 11 to 18); 21 (1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (1 to 6); 35 (1); 111 (2, 3); 112 (1 to 3); 113 (1 to 3); 114 (1 to 3); 115 (1 to 3); 116 (1 to 3); 117 (1 to 3); 118 (1 to 3); 119 (1, 3); 121 (1, 3); 122 (1, 3); 123 (1 to 3); 124 (1 to 3); 125 (1, 3); 126 (1, 3); 127 (1, 3); 128 (1, 3); 129 (1 to 3); 131 (1 to 3); 132 (1, 3); 133 (1, 3); 134 (1, 3); 135 (1 to 3); 136 (1 to 3); 137 (1, 3); 138 (1 to 3); 139 (1 to 3); 141 (1 to 3); 142 (1 to 3); 143 (1, 3); 144 (1 to 3); 145 (1 to 3); 146 (1, 3); 147 (1 to 3); 148 (1 to 3); 149 (1 to 3); 151 (1 to 3); 152 (1 to 3); 153 (1 to 3); 154 (1 to 3); 155 (1 to 3); 156 (1 to 3); 157 (1 to 3); 158 (1 to 3); 159 (1 to 3); 161 (1 to 3); 162 (1 to 3); 163 (1 to 3); 164 (1 to 3); 165 (1 to 3); 166 (1 to 3); 167 (1 to 3); 168 (1 to 3); 169 (1 to 3); 171 (1 to 3); 172 (1 to 3); 173 (1 to 3); 174 (1 to 3); 175 (Suppl 1, 1 to 3); 176 (1 to 3); 177 (Suppl 1, 1 to 3); 178 (1 to 3); 179 (Suppl 1, 1 to 3); 181 (Suppl 1, 1 to 3); 182 (1 to 3); 183 (Suppl 1, 1 to 3); 184 (1 to 3); 185 (Suppl 1, 1 to 3); 186 (1 to 3); 187 (Suppl 1, 1 to 3); 188 (1 to 3); 189 (Suppl 1, 1 to 3); 191 (1 to 9, 11 to 18); 192 (Suppl 1, 1 to 9, 11, 12); 193 (1 to 9, 11, 12); 194 (1 to 9, 11, 12); 195 (1 to 9, 11, 12); 196 (1 to 9, 11, 12); 197 (1 to 9, 11, 12); 198 (Suppl 3, 1 to 9, 11, 12); 199 (Suppl 3, 1-2, 3-4, 5-6)
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