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Portico
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Preserved
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2026-02-12
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Preserved : 1954: 1, 1956: 2, 1958: 3, 1959: 4, 1961: 5, 1961: 6, 1962: 7, 1963: 8, 1964: 9, 1965: 10, 1965: 11, 1966: 12, 1966: 13, 1966: 14, 1968: 15, 1968: 16, 1968: 17, 1969: 18, 1970: 19, 1970: 21, 1971: 22, 1971: 23, 1972: 24, 1973: 25, 1973: 26, 1974: 27, 1974: 28, 1974: 29, 1976: 30, 1976: 31, 1976: 32, 1977: 33, 1977: 34, 1977: 35, 1978: 36, 1978: 37, 1978: 38, 1979: 39, 1979: 40, 1979: 41, 1980: 42, 1980: 43, 1980: 44, 1981: 45, 1981: 46, 1981: 47, 1982: 48, 1982: 49, 1982: 50, 1983: 51, 1983: 52, 1983: 53, 1984: 54(2, ), 1984: 55, 1984: 56(4, ), 1985: 57, 1985: 58, 1985: 59, 1986: 60, 1986: 61, 1986: 62, 1987: 63, 1987: 64, 1987: 65, 1988: 66, 1988: 67, 1988: 68, 1989: 69, 1989: 70, 1989: 71, 1990: 72, 1990: 73, 1990: 74, 1991: 75, 1991: 76, 1991: 77, 1992: 78, 1992: 79, 1992: 80, 1992: 81, 1992: 82, 1992: 83, 1993: 84, 1993: 85, 1993: 86, 1993: 87, 1993: 88, 1993: 89, 1994: 90(2, ), 1994: 91, 1994: 92(2, ), 1994: 93(2, ), 1994: 94, 1994: 95, 1995: 96, 1995: 97, 1995: 98, 1995: 99, 1995: 100, 1995: 101, 1996: 102(2, ), 1996: 103, 1996: 104, 1996: 105, 1996: 106, 1996: 107
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Internet Archive
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Preserved
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2025-08-08
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11 to 101
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CLOCKSS Archive
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Preserved
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2026-02-09
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212 to 218, 220, 221, 266
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Portico
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Preserved
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2026-02-12
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Preserved : 1997: 108(1-2), 1997: 109(1-2), 1997: 110(1-2), 1997: 111(1-2), 1997: 112(1-2), 1997: 113(1-2), 1998: 114(1-2), 1998: 115(1-2), 1998: 116(1-2), 1998: 117(1-2), 1998: 118(1-2), 1998: 119(1-2), 1999: 120(1-2), 1999: 121(1-2), 1999: 122(1-2), 1999: 123(1-2), 1999: 124(1-2), 1999: 125(1-2), 2000: 126(1-2), 2000: 127(1-2), 2000: 128(1-2), 2000: 129(1-2), 2000: 130(1-2), 2000: 131(1-2), 2001: 132(1-2), 2001: 133(1-2), 2001: 134(1-2), 2001: 135(1-2), 2001: 136(1-2), 2001: 137(1-2), 2002: 138(1-2), 2002: 139(1-2), 2002: 140(1-2), 2002: 141(1-2), 2002: 142(1-2), 2002: 143(1-2), 2003: 144(1-2), 2003: 145(1-2), 2003: 146(1-2), 2003: 147(1-2), 2003: 148(1-2), 2003: 149(1-2), 2004: 150(1-2), 2004: 151(1-2), 2004: 152(1-2), 2004: 153(1-2), 2004: 154(1-2), 2004: 155(1-2), 2005: 156(1-2), 2005: 157(1-2), 2005: 158(1-2), 2005: 159(1-2), 2005: 160(1-2), 2005: 161(1-2), 2006: 162(1-2), 2006: 163(1-2), 2006: 164(1-2), 2006: 165(1-2), 2006: 166(1-2), 2006: 167(1-2), 2007: 168(1-2), 2007: 169(1-2), 2007: 170(1-2), 2007: 171(1-2), 2007: 172(1-2), 2007: 173(1-2), 2008: 174(1-2), 2008: 175(1-2), 2008: 176(1-2), 2008: 177(1-2), 2008: 178(1-2), 2008: 179(1-2), 2009: 180(1-2), 2009: 181(1-2), 2009: 182(1-2), 2009: 183(1-2), 2009: 184(1-2), 2009: 185(1-2), 2009/2010: 186(1-2), 2010: 187(1-2), 2010: 188(1-2), 2010: 189(1-2), 2010: 190(1-2), 2010: 191(1-2), 2010/2011: 192(1-2), 2011: 193(1-2), 2011: 194(1-2), 2011: 195(1-2), 2011: 196(1-2), 2011: 197(1-2), 2011/2012: 198(1-2), 2012: 199(1-2), 2012: 200(1-2), 2012: 201(1-2), 2012: 202(1-2), 2012: 203(1-2), 2012/2013: 204(1-2), 2013: 205(1-2), 2013: 206(1-2), 2013: 207(1-2), 2013: 208(1-2), 2013: 209(1-2), 2013/2014: 210(1-2), 2014: 211(1-2), 2014: 212(1-2), 2014: 213(1-2), 2014: 214(1-2), 2014: 215(1-2), 2015: 216(1-2), 2015: 217(1-2), 2015: 218(1-2), 2015: 219(1-2), 2015: 220(1-2), 2015: 221(1-2), 2016: 222(1-2), 2016: 223(1-2), 2016: 224(1-2), 2016: 225(1-2), 2016: 226(1-2), 2016: 227(1-2), 2016/2017: 228(1-2), 2017: 229(1-2), 2017: 230(1-2), 2017: 231(1-2), 2017: 232(1-2), 2017: 233(1-2), 2018: 234(1-2), 2018: 235(1-2), 2018: 236(1-2), 2018: 237(1-2), 2018: 238(1-2), 2018: 239(1-2), 2019: 240(1-2), 2019: 241(1-2), 2019: 242(1-2), 2019: 243(1-2), 2019: 244(1-2), 2019: 245(1-2), 2020: 246(1-2), 2020: 247(1-2), 2020: 248(1-2), 2020: 249(1-2), 2020: 250(1-2), 2020: 251(1-2), 2021: 252(1-2), 2021: 253(1-2), 2021: 254(1-2), 2021: 255(1-2), 2021: 256(1-2), 2021: 257(1-2), 2022: 258(1-2), 2022: 259(1-2), 2022: 260(1-2), 2022: 261(1-2), 2022: 262(1-2), 2022: 263(1-2), 2023: 264(1-2), 2023: 265(1-2), 2023: 266(1-2), 2023: 267(1-2), 2023: 268(1-2), 2023: 269(1-2), 2024: 270(1-2), 2024: 271(1-2), 2024: 272(1-2), 2024: 273(1-2), 2024: 274(1-2), 2024: 275(1-2), 2025: 276(1-2), 2025: 277(1-2), 2025: 278(1-2), 2025: 279(1-2), 2025: 280(1-2), 2025: 281(1-2), 2026: 282(1-2), 2026: 283(1)
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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, 2); 15 (1, 2); 16 (1, 2); 17 (1, 2); 18 (1, 2); 19 (1, 2); 21 (1, 2); 22 (1, 2); 23 (1, 2); 24 (1, 2); 25 (1, 2); 26 (1, 2); 27 (1, 2); 28 (1, 2); 29 (1, 2); 144 (1, 2); 145 (1, 2); 146 (1, 2); 147 (1, 2); 148 (1, 2); 149 (1, 2); 151 (1, 2); 152 (1, 2); 153 (1, 2); 154 (1, 2); 155 (1, 2); 156 (1, 2); 157 (1, 2); 158 (1, 2); 159 (1, 2); 161 (1, 2); 162 (1, 2); 163 (1, 2); 164 (1, 2); 165 (1, 2); 166 (1, 2); 167 (1, 2); 168 (1, 2); 169 (1, 2); 171 (1, 2); 172 (1, 2); 173 (1, 2); 174 (1, 2); 175 (1, 2); 176 (1, 2); 177 (1, 2); 178 (1, 2); 179 (1, 2); 181 (1, 2); 182 (1, 2); 183 (1, 2); 184 (1, 2); 185 (1, 2); 186 (1, 2); 187 (1, 2); 188 (1, 2); 189 (1, 2); 191 (1, 2); 192 (1, 2); 193 (1, 2); 194 (1, 2); 195 (1, 2); 196 (1, 2); 197 (1, 2); 198 (1, 2); 199 (1, 2); 211 (1, 2); 212 (1, 2); 213 (1, 2); 214 (1, 2); 215 (1, 2); 216 (1, 2); 217 (1, 2); 218 (1, 2); 219 (1, 2); 221 (1, 2); 222 (1, 2); 223 (1, 2); 224 (1, 2); 225 (1, 2); 226 (1, 2); 227 (1, 2); 228 (1, 2); 229 (1, 2); 231 (1, 2); 232 (1, 2); 233 (1, 2); 234 (1, 2); 235 (1, 2); 236 (1, 2); 237 (1, 2); 238 (1, 2); 239 (1, 2); 241 (1, 2); 242 (1, 2); 243 (1, 2); 244 (1, 2); 245 (1, 2); 246 (1, 2); 247 (1, 2); 248 (1, 2); 249 (1, 2); 251 (1, 2); 252 (1, 2); 253 (1, 2); 254 (1, 2); 255 (1, 2); 256 (1, 2); 257 (1, 2); 258 (1, 2); 259 (1, 2); 261 (1, 2); 262 (1, 2); 263 (1, 2)
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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, 2); 15 (1, 2); 16 (1, 2); 17 (1, 2); 18 (1, 2); 19 (1, 2); 21 (1, 2); 22 (1, 2); 23 (1, 2); 24 (1, 2); 25 (1, 2); 26 (1, 2); 27 (1, 2); 28 (1, 2); 29 (1, 2); 144 (1, 2); 145 (1, 2); 146 (1, 2); 147 (1, 2); 148 (1, 2); 149 (1, 2); 151 (1, 2); 152 (1, 2); 153 (1, 2); 154 (1, 2); 155 (1, 2); 156 (1, 2); 157 (1, 2); 158 (1, 2); 159 (1, 2); 161 (1, 2); 162 (1, 2); 163 (1, 2); 164 (1, 2); 165 (1, 2); 166 (1, 2); 167 (1, 2); 168 (1, 2); 169 (1, 2); 171 (1, 2); 172 (1, 2); 173 (1, 2); 174 (1, 2); 175 (1, 2); 176 (1, 2); 177 (1, 2); 178 (1, 2); 179 (1, 2); 181 (1, 2); 182 (1, 2); 183 (1, 2); 184 (1, 2); 185 (1, 2); 186 (1, 2); 187 (1, 2); 188 (1, 2); 189 (1, 2); 191 (1, 2); 192 (1, 2); 193 (1, 2); 194 (1, 2); 195 (1, 2); 196 (1, 2); 197 (1, 2); 198 (1, 2); 199 (1, 2); 211 (1, 2); 212 (1, 2); 213 (1, 2); 214 (1, 2); 215 (1, 2); 216 (1, 2); 217 (1, 2); 218 (1, 2); 219 (1, 2); 221 (1, 2); 222 (1, 2); 223 (1, 2); 224 (1, 2); 225 (1, 2); 226 (1, 2); 227 (1, 2); 228 (1, 2); 229 (1, 2); 231 (1, 2); 232 (1, 2); 233 (1, 2); 234 (1, 2); 235 (1, 2); 236 (1, 2); 237 (1, 2); 238 (1, 2); 239 (1, 2); 241 (1, 2); 242 (1, 2); 243 (1, 2); 244 (1, 2); 245 (1, 2); 246 (1, 2); 247 (1, 2); 248 (1, 2); 249 (1, 2); 251 (1, 2); 252 (1, 2); 253 (1, 2); 254 (1, 2); 255 (1, 2); 256 (1, 2); 257 (1, 2); 258 (1, 2); 259 (1, 2); 261 (1, 2); 262 (1, 2); 263 (1, 2)
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