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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 272 (1 to 24); 273 (, 1 to 6, 8 to 24); 274 (, 1 to 24); 275 (, 1 to 24); 276 (, 1 to 24); 277 (, 1 to 24); 278 (, 1 to 24); 279 (, 1 to 19, 21 to 24); 280 (, 1 to 24); 281 (, 1 to 24); 282 (, 1 to 24); 283 (, 1 to 24); 284 (, 1 to 24); 285 (, 1 to 24); 286 (, 1 to 12, 14 to 24); 287 (, 1 to 24); 288 (, 1 to 24); 289 (, 1 to 24); 290 (, 1 to 24); 291 (, 1 to 24); 292 (, 1 to 13); 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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1 to 269
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CLOCKSS Archive
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Preserved
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2026-02-09
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272 to 293
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Portico
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Preserved
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2026-02-12
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Preserved : 2005: 272(1-24), 2006: 273(1-24), 2007: 274(1-24), 2008: 275(1-24), 2009: 276(1-24), 2010: 277(1-24), 2011: 278(1-24), 2012: 279(1-24), 2013: 280(1-24), 2014: 281(1-24), 2015: 282(1, S1, 2-24), 2016: 283(1, S1, 2-24), 2017: 284(1, S1, 2-24), 2018: 285(1-24), 2019: 286(1-24), 2020: 287(1-24), 2021: 288(1-24), 2022: 289(1-24), 2023: 290(1-24), 2024: 291(1-24), 2025: 292(1-24), 2026: 293(1-3)
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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 : 273 (s1, 1-6, 8-24); 274 (s1, 1-11, 13-24)
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Library of Congress
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Preserved
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2025-04-07
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274 (1, 4); 275 (7); 280 (1 to 24, s1); 281 (1 to 24, s1); 282 (1 to 24, S1); 283 (1 to 24, S1); 284 (1 to 12, 15 to 19, 22 to 24, S1); 285 (1 to 24); 286 (1 to 15, 18 to 20, 22, 23); 287 (1 to 7, 9 to 13, 15 to 20, 22 to 24); 288 (1, 2, 4 to 24); 289 (1 to 9, 11 to 24); 290 (1, 9, 11, 15 to 17, 19 to 21); 291 (7 to 9)
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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 : 28 (, 1 to 9, 11 to 19, 21 to 24); 29 (1 to 9, 11 to 19, 21 to 24); 272 (, 1 to 9, 11 to 19, 21 to 24); 273 (, 1 to 9, 11 to 19, 21 to 24); 274 (, 1 to 9, 11 to 19, 21 to 24); 275 (, 1 to 9, 11 to 19, 21 to 24); 276 (, 1 to 9, 11 to 19, 21 to 24); 277 (, 1 to 9, 11 to 19, 21 to 24); 278 (, 1 to 9, 11 to 19, 21 to 24); 279 (, 1 to 9, 11 to 19, 21 to 24); 281 (, 1 to 9, 11 to 19, 21 to 24); 282 (, 1 to 9, 11 to 19, 21 to 24); 283 (, 1 to 9, 11 to 19, 21 to 24); 284 (, 1 to 9, 11 to 19, 21 to 24); 285 (1 to 9, 11 to 19, 21 to 24); 286 (1 to 9, 11 to 19, 21 to 24); 287 (1 to 9, 11 to 19, 21 to 24); 288 (1 to 9, 11 to 19, 21 to 24); 289 (1 to 9, 11 to 19, 21 to 24); 291 (2 to 9, 11 to 19, 21 to 24); 292 (1 to 4, 6, 8, 9, 11 to 14, 16 to 18)
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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 : 28 (, 1 to 9, 11 to 19, 21 to 24); 29 (1 to 9, 11 to 19, 21 to 24); 272 (, 1 to 9, 11 to 19, 21 to 24); 273 (, 1 to 9, 11 to 19, 21 to 24); 274 (, 1 to 9, 11 to 19, 21 to 24); 275 (, 1 to 9, 11 to 19, 21 to 24); 276 (, 1 to 9, 11 to 19, 21 to 24); 277 (, 1 to 9, 11 to 19, 21 to 24); 278 (, 1 to 9, 11 to 19, 21 to 24); 279 (, 1 to 9, 11 to 19, 21 to 24); 281 (, 1 to 9, 11 to 19, 21 to 24); 282 (, 1 to 9, 11 to 19, 21 to 24); 283 (, 1 to 9, 11 to 19, 21 to 24); 284 (, 1 to 9, 11 to 19, 21 to 24); 285 (1 to 9, 11 to 19, 21 to 24); 286 (1 to 9, 11 to 19, 21 to 24); 287 (1 to 9, 11 to 19, 21 to 24); 288 (1 to 9, 11 to 19, 21 to 24); 289 (1 to 9, 11 to 19, 21 to 24); 291 (2 to 9, 11 to 19, 21 to 24); 292 (1 to 4, 6, 8, 9, 11 to 14, 16 to 19)
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