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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 157 (1 to 4); 158 (, 1 to 4); 159 (, 1 to 4); 160 (, 1, 2-3, 4); 161 (, 1 to 4); 162 (, 1, 2, 3-4); 163 (, 1 to 4); 164 (, 1-3, 4); 165 (, 1 to 4); 166 (, 1-4); 167 (, 1 to 4); 168 (, 1 to 4); 169 (, 1 to 4); 170 (, 1 to 4); 171 (, 1 to 4); 172 (, 1 to 4); 173 (, 1 to 6); 174 (, 1 to 6); 175 (, 1, 2-3, 4 to 6); 176 (, 1 to 6); 177 (, 1 to 6); 178 (, 1 to 6); 179 (, 1 to 6); 180 (, 1 to 6); 181 (, 1 to 6); 182 (, 1 to 6); 183 (, 1 to 6); 184 (, 1 to 4); 185 (, 1 to 4); 186 (, 1, 2, 4); 187 (, 1 to 4); 188 (, 1 to 4); 189 (, 1 to 4); 190 (, 1-2, 3, 4); 191 (, 1 to 3); 192 (, 1 to 4); 193 (, 1, 2-3, 4); 194 (, 1-2, 3, 4); 195 (, 1 to 4); 196 (, 1 to 4); 197 (, 1 to 4); 198 (, 1 to 4); 199 (, 1 to 4); 200 (, 1 to 4); 201 (, 1 to 4); 202 (, 1 to 6); 203 (, 1 to 6); 204 (, 1 to 6); 205 (, 1 to 6); 206 (, 1 to 6); 207 (, 1, 2, 3-4, 5); 208 (, 1 to 3, 5, 6); 209 (, 1 to 6); 210 (, 1, 2, 4, 5-6); 211 (, 1, 2, 4, 5-6); 212 (, 1 to 6); 213 (, 1); 214 (, 1); 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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161 to 185
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HathiTrust
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Preserved
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2025-11-01
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v.21(1896)
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 207
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 215
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Portico
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Preserved
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2026-02-12
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Preserved : 1971/1972: 157(1-4), 1972/1973: 158(1-4), 1973/1974: 159(1-4), 1974: 160(1-4), 1975: 161(1-4), 1975/1976: 162(1-4), 1977: 163(1-4), 1977/1978: 164(1-4), 1978/1979: 165(1-4), 1978: 166(1-4), 1979: 167(1-4), 1980: 168(1-4), 1980/1981: 169(1-4), 1981/1982: 170(1-4), 1982/1983: 171(1-4), 1983/1984: 172(1-4), 1984/1985: 173(1-6), 1985/1986: 174(1-6), 1986: 175(1-6), 1987: 176(1-6), 1987/1988: 177(1-6), 1989: 178(1-6), 1990: 179(1-6), 1991/1992: 180(1-6), 1992: 181(1-6), 1993: 182(1-6), 1994: 183(1-6), 1995/1996: 184(1-4), 1996/1997: 185(1-4), 1997/1998: 186(1-4), 1998/1999: 187(1-4), 1999/2000: 188(1-4), 2000/2001: 189(1-4), 2001/2002: 190(1-4), 2002: 191(1-4), 2003: 192(1-4), 2004: 193(1-4), 2005: 194(1-4), 2006: 195(1-4), 2007: 196(1-4), 2008: 197(1-4), 2009: 198(1-4), 2010: 199(1-4), 2011: 200(1-4), 2012: 201(1-4), 2013: 202(1-6), 2014: 203(1-6), 2015: 204(1-6), 2016: 205(1-6), 2017: 206(1-6), 2018: 207(1-6), 2019: 208(1-6), 2019/2020: 209(1-6), 2021: 210(1-6), 2022: 211(1-6), 2023: 212(1-6), 2024: 213(1), 2025: 214(1), 2026: 215(1)
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LOCKSS Archive
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In Progress
|
2026-02-09
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|
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208
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|
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Library of Congress
|
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Preserved
|
2025-04-07
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207 (2, 3-4, 5-6); 208 (1 to 3-4, 5, 6); 209 (1 to 6); 210 (1, 2-3, 4, 5-6); 211 (1, 2-3, 4, 5-6); 212 (1 to 6); 213 (1)
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National Digital Preservation Program, China
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Preserved
|
2025-10-23
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Preserved : 2 (1 to 4); 19 (1, 3, 4); 21 (1 to 4, 5-6); 22 (1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (1, 2, 3-4, 5-6); 28 (1, 2, 3-4, 5, 6); 29 (1 to 6); 185 (4); 186 (1, 2, 4); 187 (1 to 4); 188 (1 to 4); 189 (1 to 4); 191 (1 to 3); 192 (1 to 4); 193 (1, 2, 4); 194 (1, 3, 4); 195 (1 to 4); 196 (1 to 4); 197 (1 to 4); 198 (1 to 4); 199 (1 to 4); 211 (1, 2-3, 4, 5-6); 212 (1 to 6); 213 (1)
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National Digital Preservation Program, China
|
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Preserved
|
2025-12-04
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Preserved : 2 (1 to 4); 19 (1, 3, 4); 21 (1 to 4, 5-6); 22 (1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (1, 2, 3-4, 5-6); 28 (1, 2, 3-4, 5, 6); 29 (1 to 6); 185 (4); 186 (1, 2, 4); 187 (1 to 4); 188 (1 to 4); 189 (1 to 4); 191 (1 to 3); 192 (1 to 4); 193 (1, 2, 4); 194 (1, 3, 4); 195 (1 to 4); 196 (1 to 4); 197 (1 to 4); 198 (1 to 4); 199 (1 to 4); 211 (1, 2-3, 4, 5-6); 212 (1 to 6); 213 (1)
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National Library of the Netherlands
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Preserved
|
2024-12-15
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Preserved : 188 (4); 189; 190 (1-2, 3, 4); 191 (1, 2, 3-4); 192 (1, 2); 195 (3, 4); 196 (1, 3, 4); 197 (1-4); 198 (1-4); 199 (1-4); 200 (1-4); 201 (1-4); 202 (1-4, 6); 203 (1-6); 204 (1-6); 205 (1-6); 206 (1-6); 207 (1, 2, 3-4, 5-6); 208 (1, 2, 3-4, 5, 6)
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