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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 144 (2 to 4); 146 (1 to 4); 147 (Suppl, 1 to 4); 148 (1 to 4); 149 (1 to 4); 150 (1 to 4); 151 (1 to 4); 152 (Suppl, 1 to 4); 153 (Sup1, 1 to 4); 154 (1 to 4); 155 (1 to 4); 156 (1 to 4); 157 (1 to 4); 158 (1 to 4); 159 (1 to 4); 160 (1 to 4); 161 (1 to 4); 162 (1 to 4); 163 (1 to 4); 164 (1 to 4); 165 (1, 3, 4); 166 (1 to 4); 167 (1, 2)
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Portico
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Preserved
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2026-04-23
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Preserved : 1917: 65(2)
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Portico
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Preserved
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2026-04-23
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Preserved : 1923: 71(1)
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Portico
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Preserved
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2026-04-23
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Preserved : 1994: 135(1)
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Portico
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Preserved
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2026-04-23
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Preserved : 2003: 144(2-4)
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CLOCKSS Archive
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Preserved
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2026-04-27
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146 to 167
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Portico
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Preserved
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2026-04-23
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Preserved : 2005: 146(1-4), 2006: 147(1, S 1, 2-4), 2007: 148(1-4), 2008: 149(1-4), 2009: 150(1-4), 2010: 151(1-4), 2011/2012: 152(1, S 1, 2, S 2, 3-4), 2012: 153(3-4), 2013: 154(1-4), 2014: 155(1-4), 2015: 156(1-4), 2016: 157(1-4), 2017: 158(1-4), 2018: 159(1-4), 2019: 160(1-4), 2019/2020: 161(1-4), 2021: 162(1-4), 2022: 163(1-4), 2023: 164(2-4), 2024: 165(1-4), 2025: 166(1-4), 2026: 167(1-2)
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LOCKSS Archive
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In Progress
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2026-04-27
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153, 160
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LOCKSS Archive
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Preserved
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2026-04-27
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154 to 159
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Library of Congress
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Preserved
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2025-04-07
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157 (3); 158 (4); 159 (2 to 4); 160 (1 to 4); 161 (1 to 4); 162 (1 to 4); 163 (1 to 4); 164 (1 to 4); 165 (1 to 4)
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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 : 146; 147 (1-5); 148 (supplement-1, 1-4); 149 (1-4); 150 (1-4); 151 (1-4); 152 (supplement-1, 1-4); 153 (supplement-1, 1-4); 154 (1, 3, 4); 155 (1-4); 156 (supplement-1, 1-4); 157 (1-4); 158 (1-4); 159 (1-4); 160 (1-3)
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