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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 25 (100); 29 (113); 64 (253 to 256); 65 (257 to 260); 66 (261 to 264); 67 (265 to 268); 68 (269 to 272); 69 (273 to 276); 70 (1 to 3, 280); 71 (1, 281, 283, 284); 72 (3, 285, 286, 288); 73 (289 to 292); 74 (293 to 296); 75 (297 to 300); 76 (s1, 301 to 304); 77 (305 to 308); 78 (309 to 312); 79 (313 to 316); 80 (317 to 320); 81 (321 to 324); 82 (s1, 325 to 328); 83 (329 to 332); 84 (333 to 336); 85 (337 to 340); 86 (341 to 344); 87 (345 to 348); 88 (349 to 352); 89 (S1, 353 to 356); 90 (357 to 360); 91 (361 to 364); 92 (365 to 368); 93 (369, 370)
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Internet Archive
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Preserved
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2025-08-08
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1 to 74
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Portico
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Preserved
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2026-04-02
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Preserved : 1937: 4(16), 1958: 25(100)
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CLOCKSS Archive
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Preserved
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2026-03-30
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25, 29, 64 to 93
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Portico
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Preserved
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2026-04-02
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Preserved : 1962: 29(113)
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Portico
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Preserved
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2026-04-02
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Preserved : 1997: 64(253-256), 1998: 65(257-260), 1999: 66(261-264), 2000: 67(265-268), 2001: 68(269-272), 2002: 69(273-276), 2003: 70(277-280), 2004: 71(281-284), 2005: 72(285-288), 2006: 73(289-292), 2007: 74(293-296), 2008: 75(297-300), 2009: 76(301-304), 2010: 77(305-308), 2011: 78(309-312), 2012: 79(313-316), 2013: 80(317-320), 2014: 81(321-324), 2015: 82(s1, 325-328), 2016: 83(329-332), 2017: 84(333-336), 2018: 85(337-340), 2019: 86(341-344), 2020: 87(345-348), 2021: 88(349-352), 2022: 89(S1, 353-356), 2023: 90(357-360), 2024: 91(361-364), 2025: 92(365-368), 2026: 93(369-370)
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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 : 7 (28, 277 to 279); 8 (32, 317 to 319); 64 (253 to 256); 65 (26, 257 to 259); 66 (261 to 264); 67 (265 to 268); 68 (27, 269, 271, 272); 69 (273 to 276); 71 (281 to 284); 72 (285 to 288); 73 (29, 289, 291, 292); 74 (293 to 296); 75 (3, 297 to 299); 76 (s1, 31 to 34); 77 (35 to 38); 78 (31, 39, 311, 312); 79 (313 to 316); 81 (321 to 324); 82 (s1, 325 to 328); 83 (33, 329, 331, 332); 84 (333 to 336); 85 (34, 337 to 339); 86 (341 to 344); 87 (345 to 348); 88 (35, 349, 351, 352); 89 (S1, 353 to 356)
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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 : 7 (28, 277 to 279); 8 (32, 317 to 319); 64 (253 to 256); 65 (26, 257 to 259); 66 (261 to 264); 67 (265 to 268); 68 (27, 269, 271, 272); 69 (273 to 276); 71 (281 to 284); 72 (285 to 288); 73 (29, 289, 291, 292); 74 (293 to 296); 75 (3, 297 to 299); 76 (s1, 31 to 34); 77 (35 to 38); 78 (31, 39, 311, 312); 79 (313 to 316); 81 (321 to 324); 82 (s1, 325 to 328); 83 (33, 329, 331, 332); 84 (333 to 336); 85 (34, 337 to 339); 86 (341 to 344); 87 (345 to 348); 88 (35, 349, 351, 352); 89 (S1, 353 to 356)
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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 : 73 (289-292); 74 (293-296)
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