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Scholars Portal
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Preserved
|
2025-09-02
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Preserved : 1 (1 to 4); 2 (, 1-2, 3, 4); 3 (, 1, 2, 3-4); 4 (, 1 to 4); 5 (, 1 to 4); 6 (, 1 to 3); 7 (, 1 to 3); 8 (, 1 to 3); 9 (, 1 to 3); 10 (, 1 to 3); 11 (, 1 to 3); 12 (, 1 to 3); 13 (, 1, 2-3); 14 (, 1, 2-3); 15 (, 1 to 3); 16 (, 1 to 3); 17 (, 1, 2-3); 18 (, 1 to 3); 19 (, 1-3); 20 (, 1, 2-3); 21 (, 1 to 3); 22 (, 1 to 3); 23 (, 1-3); 24 (, 1 to 3); 25 (, 1 to 3); 26 (, 1, 2-3); 27 (, 1 to 3); 28 (, 1 to 3); 29 (, 1 to 3); 30 (, 1 to 3); 31 (, 1-2, 3); 32 (, 1 to 3); 33 (, 1 to 3); 34 (, 1 to 3); 35 (, 1 to 3); 36 (, 1 to 3); 37 (, 1-3); 38 (, 1, 2-3); 39 (, 1-3); 40 (, 1 to 3); 41 (, 1 to 3); 42 (, 1-2, 3); 43 (, 1 to 3); 44 (, 1-3); 45 (, 1 to 3); 46 (, 1-2, 3); 47 (, 1 to 3); 48 (, 1 to 3); 49 (, 1, 2-3); 50 (, 1 to 3); 51 (, 1-2, 3); 52 (, 1-2, 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 (, 1-2, 3); 66 (, 1 to 3); 67 (, 1-2, 3); 68 (, 1 to 3); 69 (, 1 to 3); 70 (, 1-2, 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 (, 1-3); 82 (, 1 to 3); 83 (, 1 to 3); 84 (, 1-2, 3); 85 (, 1 to 3); 86 (, 1-2, 3); 87 (, 1 to 3); 88 (, 1-3); 89 (, 1 to 3); 90 (, 1-3); 91 (, 1-3); 92 (, 1-3); 93 (, 1-3); 94 (, 1-3); 95 (, 1-3); 96 (, 1-3); 97 (, 1-3); 98 (, 1-3); 99 (, 1-3); 100 (, 1-3); 101 (, 1-3); 102 (, 1-3); 103 (, 1-3); 104 (, 1-3); 105 (, 1-3); 106 (, 1-3); 107 (, 1-3); 108 (, 1-3); 109 (, 1-3); 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 (, 1-3); 140 (, 1-3); 141 (, 1-3); 142 (, 1-3); 143 (, 1-3); 144 (, 1-3); 145 (, 1-3); 146 (, 1); 147 (, 1); 148 (, 1-4); 149 (, 1-4); 150 (, 1-4); 151 (, 1-4); 152 (, 1-4); 153 (, 1-4); 154 (, 1-4); 155 (, 1-4); 156 (, 1-4); 157 (, 1); 158 (, 1-4); 159 (, 1-4); 160 (, 1); 161 (, 1-4); 162 (, 1-4); 163 (, 1-4); 164 (, 1-4); 165 (, 1-4); 166 (, 1-4); 167 (, 1-4); 168 (, 1-4); 169 (, 1-4); 170 (, 1-4); 171 (, 1-4); 172 (, 1-4); 173 (, 1-4); 174 (, 1-4); 175 (, 1-4); 176 (, 1-4); 177 (, 1-4); 178 (, 1-4); 179 (, 1-4); 180 (, 1-4); 181 (, 1-4); 182 (, 1-4); 183 (, 1-4); 184 (, 1 to 12); 185 (, 1 to 12); 186 (, 1 to 12); 187 (, 1 to 12); 188 (, 1 to 12); 189 (, 1 to 12); 190 (, 1 to 12); 191 (, 1 to 12); 192 (, 1 to 12); 193 (, 1 to 12); 194 (, 1 to 12); 195 (, 1 to 12); 196 (, 1 to 12); 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
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Internet Archive
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Preserved
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2025-08-08
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1 to 186
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Portico
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Preserved
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2026-02-12
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Preserved : 1981/1982: 1(1-4), 1982: 2(1-4), 1983: 3(1-4), 1984: 4(1-4), 1985: 5(1-4), 1986: 6(1-3), 1986: 7(1-3), 1987: 8(1-3), 1987: 9(1-3), 1988: 10(1-3), 1988: 11(1-3), 1989: 12(1-3), 1989: 13(1-3), 1990: 14(1-3), 1990: 15(1-3), 1991: 16(1-3), 1991: 17(1-3), 1991: 18(1-3), 1991: 19(1-3), 1992: 20(1-3), 1992: 21(1-3), 1992: 22(1-3), 1992: 23(1-3), 1993: 24(1-3), 1993: 25(1-3), 1993: 26(1-3), 1993: 27(1-3), 1993: 28(1-3), 1994: 29(1-3), 1994: 30(1-3), 1994: 31(1-3), 1994: 32(1-3), 1994: 33(1-3), 1995: 34(1-3), 1995: 35(1-3), 1995: 36(1-3), 1995: 37(1-3), 1995: 38(1-3), 1996: 39(1-3), 1996: 40(1-3), 1996: 41(1-3), 1996: 42(1-3), 1996: 43(1-3)
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CLOCKSS Archive
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Preserved
|
2026-02-09
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1 to 198
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Portico
|
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Preserved
|
2026-02-12
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Preserved : 1998: 50(3)
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Portico
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Preserved
|
2026-02-12
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Preserved : 2001: 71(2), 2002: 76(1), 2002: 78(3)
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Portico
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Preserved
|
2026-02-12
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Preserved : 2004: 93(1-3), 2005: 100(1-3), 2005: 111(1-3), 2006: 112(1-3), 2006: 114(1-3), 2006: 115(1-3), 2006: 116(1-3), 2006: 119(1-3), 2006: 121(1-3), 2006: 123(1-3), 2007: 128(1-3), 2007: 129(1-3), 2007: 130(1-3), 2007: 132(1-3), 2007: 133(1-3), 2007: 134(1-3), 2008: 137(1-3), 2008: 139(1-3), 2008: 140(1-3), 2008: 142(1-3), 2008: 143(1-3), 2008: 144(1-3), 2008: 145(1-3), 2008: 146(1-3), 2008: 147(1-3), 2009: 148(1-4), 2009: 149(1-4), 2009: 150(1-4), 2009: 151(1-4), 2009: 152(1-4), 2009: 153(1-4), 2009: 154(1-4), 2009: 155(1-4), 2009: 156(1-4), 2009: 157(1-4), 2009: 158(1-4), 2009: 159(1-4), 2010: 160(1-4), 2010: 161(1-4), 2010: 162(1-4), 2010: 163(1-4), 2010: 164(1-4), 2010: 165(1-4), 2010: 166(1-4), 2010: 167(1-4), 2010: 168(1-4), 2010: 169(1-4), 2010: 170(1-4), 2010: 171(1-4), 2011: 172(1-4), 2011: 173(1-4), 2011: 174(1-4), 2011: 175(1-4), 2011: 176(1-4), 2011: 177(1-4), 2011: 178(1-4), 2011: 179(1-4), 2011: 180(1-4), 2011: 181(1-4), 2011: 182(1-4), 2011: 183(1-4), 2012: 184(1-2, 4-7, 12), 2013: 185(1-12), 2014: 186(1-12), 2015: 187(1, 3-12), 2016: 188(1-12), 2017: 189(1-12), 2018: 190(1-12), 2019: 191(1, S 1, 2-3, S 3, 4, S 4, 5-12), 2020: 192(1, S 1, 2-12), 2021: 193(1, S 1, 2-12), 2022: 194(1, S 1, 2, S 2, 3-12), 2022/2023: 195(1-12), 2024: 196(1-12), 2024/2025: 197(1-12), 2025/2026: 198(1-2)
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LOCKSS Archive
|
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In Progress
|
2026-02-09
|
|
|
184, 191
|
|
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LOCKSS Archive
|
|
Preserved
|
2026-02-09
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185 to 190
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Scholars Portal
|
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Preserved
|
2025-09-02
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Preserved : 197 (1 to 7); 2024; 2025
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Library of Congress
|
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Preserved
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2025-04-07
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188 (8); 189 (11, 12); 190 (1 to 12); 191 (1, S1, S2, 2, 3, S3, 4, S4, 5 to 12); 192 (1 to 12, S1); 193 (1, S1, 2 to 12); 194 (1, S1, S2, 2 to 12); 195 (1 to 12); 196 (1 to 11); 197 (2)
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National Digital Preservation Program, China
|
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Preserved
|
2025-10-23
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Preserved : 1 (1); 5 (2, 3); 6 (1 to 3); 7 (1, 3); 8 (1 to 3); 9 (1); 11; 12; 13; 14; 15; 16; 17; 18; 19 (2 to 9, 11, 12); 44 (1); 45 (2, 3); 46 (1, 3); 47 (1 to 3); 48 (1 to 3); 49 (1, 2); 51 (1, 3); 52 (1, 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); 61 (1 to 3); 62 (1 to 3); 63 (1 to 3); 64 (1 to 3); 65 (1, 3); 66 (1 to 3); 67 (1, 3); 68 (1 to 3); 69 (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); 81 (1); 82 (2, 3); 83 (1 to 3); 84 (1, 3); 85 (1 to 3); 86 (1, 3); 87 (1 to 3); 88 (1); 89 (2, 3); 91 (1); 92; 93; 94; 95; 96; 97; 98; 99; 111; 112; 113; 114; 115; 116; 117; 118; 119; 121; 122; 123; 124; 125; 126; 127; 128; 129; 131; 132; 133; 134; 135; 136; 137; 138; 139; 141; 142; 143; 144; 145; 146; 147; 148; 149; 151; 152; 153; 154; 155; 156; 157; 158; 159; 161; 162; 163; 164; 165; 166; 167; 168; 169; 171; 172; 173; 174; 175; 176; 177; 178; 179; 181; 182; 183; 184 (2 to 9, 11, 12); 185 (1 to 9, 11, 12); 186 (1 to 9, 11, 12); 187 (1 to 9, 11, 12); 188 (1 to 9, 11, 12); 189 (1 to 9, 11, 12); 191 (Suppl 3, 1 to 9, 11, 12); 192 (Suppl 1, 1 to 9, 11, 12); 193 (Suppl 1, 1 to 9, 11, 12); 194 (Suppl 2, 1 to 9, 11, 12); 195 (1 to 9, 11, 12); 196 (1 to 9, 11, 12)
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National Digital Preservation Program, China
|
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Preserved
|
2025-12-04
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Preserved : 1 (1); 5 (2, 3); 6 (1 to 3); 7 (1, 3); 8 (1 to 3); 9 (1); 11; 12; 13; 14; 15; 16; 17; 18; 19 (2 to 9, 11, 12); 44 (1); 45 (2, 3); 46 (1, 3); 47 (1 to 3); 48 (1 to 3); 49 (1, 2); 51 (1, 3); 52 (1, 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); 61 (1 to 3); 62 (1 to 3); 63 (1 to 3); 64 (1 to 3); 65 (1, 3); 66 (1 to 3); 67 (1, 3); 68 (1 to 3); 69 (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); 81 (1); 82 (2, 3); 83 (1 to 3); 84 (1, 3); 85 (1 to 3); 86 (1, 3); 87 (1 to 3); 88 (1); 89 (2, 3); 91 (1); 92; 93; 94; 95; 96; 97; 98; 99; 111; 112; 113; 114; 115; 116; 117; 118; 119; 121; 122; 123; 124; 125; 126; 127; 128; 129; 131; 132; 133; 134; 135; 136; 137; 138; 139; 141; 142; 143; 144; 145; 146; 147; 148; 149; 151; 152; 153; 154; 155; 156; 157; 158; 159; 161; 162; 163; 164; 165; 166; 167; 168; 169; 171; 172; 173; 174; 175; 176; 177; 178; 179; 181; 182; 183; 184 (2 to 9, 11, 12); 185 (1 to 9, 11, 12); 186 (1 to 9, 11, 12); 187 (1 to 9, 11, 12); 188 (1 to 9, 11, 12); 189 (1 to 9, 11, 12); 191 (Suppl 3, 1 to 9, 11, 12); 192 (Suppl 1, 1 to 9, 11, 12); 193 (Suppl 1, 1 to 9, 11, 12); 194 (Suppl 2, 1 to 9, 11, 12); 195 (1 to 9, 11, 12); 196 (1 to 9, 11, 12)
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National Library of the Netherlands
|
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Preserved
|
2024-12-15
|
|
|
Preserved : 33 (11); 44 (1); 45 (2, 3); 46 (1, 3); 47 (1-3); 48 (1-3); 49 (1, 2); 50 (1-3); 51 (1, 3); 52 (1, 3); 53 (1-3); 54 (1-3); 55 (1-3); 56 (1-3); 57 (1-3, 8); 58 (1-3); 59 (1-3); 60 (1-3); 61 (1-3); 62 (1-3); 63 (1-3); 64 (1, 2); 65 (1, 3); 66 (2, 3); 67 (1, 3); 68 (1-3); 69 (1-3); 70 (1, 3); 71 (1-3); 72 (1-3); 73 (1-3); 74 (1, 3); 75 (1-3); 76 (1-3); 77 (1, 3); 78 (1-3); 79 (1-3); 80 (1-3); 81 (1); 82 (2, 3); 83 (1, 3); 84 (1, 3); 85 (1, 3); 86 (1, 3); 87 (1-3); 88 (1); 89 (2, 3); 90 (1); 91; 92; 93; 94; 95; 96; 97; 98; 100; 101; 102; 104; 105; 106; 107; 108; 109; 110; 111; 112; 113; 114; 115; 116; 117; 118; 119; 120; 121; 122; 123; 124; 125; 126; 127; 129; 130; 131; 132; 133; 134; 135; 136; 137; 138; 139; 140; 141; 142; 143; 144; 145; 146; 147; 148; 149; 150; 151; 152; 153; 154; 155; 156; 157; 158; 159; 160; 161; 162; 163; 164; 165; 166; 167; 168; 169; 170; 171; 172; 173; 174; 175; 176; 177; 178; 179; 180; 181; 182; 183; 184 (2-12); 185 (1-12); 186 (1-12); 187 (1-12); 188 (1-12); 189 (1-12); 190 (1-12); 191 (supplement-1, 1-10)
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