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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); 2016 (, 240); 2017 (, 244, 248); 2018 (, 249 to 254); 2019 (, 255 to 258, 260); 2020 (, 261 to 266); 2021 (, 267-268, 269 to 272); 2022 (, 273 to 278); 2023 (, 279 to 284); 2024 (, 285 to 288, 289-290); 2025 (, 291 to 294)
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Portico
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Preserved
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2026-02-12
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Preserved : 2009: 86(1), 2009: 87(1), 2009: 88(1), 2009: 89(1), 2009: 90(1), 2009: 92(1), 2009: 93(1), 2009: 94(1), 2009: 95(1), 2009: 96(1), 2009: 97(1), 2009: 98(1), 2009: 99(1), 2009: 100-101(1), 2009: 103(1), 2009: 104(1), 2009: 105-106(1), 2009: 107(1), 2009: 108(1), 2009: 109(1), 1994: 110(1), 2009: 111(1), 2009: 112(1), 2009: 113(1), 2009: 114(1), 2009: 115(1), 2009: 116(1), 2009: 117(1), 2009: 118(1), 2009: 119(1), 2009: 120(1), 2009: 121(1), 2009: 122(1), 2009: 123(1), 2009: 124(1), 2009: 125(1), 2009: 126(1), 2009: 127(1), 2009: 128(1), 2009: 129(1), 2009: 130(1), 2009: 131(1), 2009: 132(1), 2009: 133(1), 2009: 134(1), 2009: 135(1), 2009: 136(1), 2009: 137(1), 2009: 138(1), 2009: 139(1), 2009: 140(1), 2009: 141(1), 2009: 142(1), 2009: 143(1), 2009: 144(1), 2009: 145(1), 2009: 146(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 2021: 272(1), 2009: 1974(1-3), 2009: 1975(4-6), 2009: 1976(7-11), 2009: 1977(12-14), 2009: 1978(16-18), 2009: 1979(19-22), 2009: 1980(23-26), 2009: 1981(27-32), 2009: 1982(33-38), 2009: 1983(39-44), 2009: 1984(45-50), 2009: 1985(51-56), 2009: 1986(57-60, 62), 2009/2015: 1987(63-68), 2009: 1988(69-74), 2009: 1989(75-80), 2009: 1990(81-85), 2009: 1991(91), 2009: 1993(102), 2009: 1996(S 1), 2006: 2001(147-152), 2006: 2002(153-158), 2006: 2003(159-164), 2005/2006: 2004(165-170), 2005: 2005(171-176), 2006: 2006(177-182), 2007: 2007(183-188), 2008: 2008(189-194), 2009: 2009(195-200), 2010: 2010(201-206), 2011: 2011(207-212), 2012: 2012(214-218), 2013: 2013(219-221, 223-224), 2013/2014: 2014(225, 228-230), 2014/2015: 2015(231-236), 2015/2016: 2016(237-242), 2016/2017: 2017(243-248), 2018: 2018(249-254), 2019: 2019(255-260), 2020: 2020(261-266), 2021: 2021(267-272), 2022: 2022(273-278), 2023: 2023(279-284), 2024: 2024(285-288), 2025: 2025(291-296)
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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 : 2 (141 to 146); 21 (15, 21 to 26, 147 to 149, 151, 152); 22 (153, 154, 155-156, 157, 158, 261 to 266); 23 (16, 159, 161 to 164); 24 (17, 165 to 169); 25 (171 to 174, 175-176); 26 (18, 177 to 179, 181, 182); 27 (183 to 186, 187-188); 28 (19, 189, 191, 192, 193-194); 29 (2, 195, 196-197, 198, 199); 198 (23 to 26); 199 (81 to 86); 211 (21, 27 to 29, 211, 212); 212 (213 to 218); 213 (22, 219, 221 to 224); 214 (23, 225 to 229); 215 (231 to 236); 216 (24, 237 to 239, 241, 242); 217 (243 to 248); 218 (25, 249, 251 to 254); 219 (26, 255 to 259); 221 (27, 267-268, 269, 271, 272); 222 (273 to 278); 223 (28, 279, 281 to 283); 1974 (1 to 3); 1975 (4 to 6); 1976 (1, 7 to 9, 11); 1977 (12 to 14); 1978 (15 to 18); 1979 (2, 19, 21, 22); 1981 (3, 27 to 29, 31, 32); 1982 (33 to 38); 1983 (4, 39, 41 to 44); 1984 (5, 45 to 49); 1985 (51 to 56); 1986 (6, 57 to 59, 61, 62); 1987 (63 to 68); 1988 (7, 69, 71 to 74); 1989 (8, 75 to 79); 1991 (9, 87 to 89, 91, 92); 1992 (93 to 98); 1993 (1-11, 12 to 14, 99); 1994 (11, 15-16, 17 to 19); 1995 (111 to 116); 1996 (s1, 12, 117 to 119, 121, 122); 1997 (123 to 128); 1998 (13, 129, 131 to 134); 1999 (14, 135 to 139)
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Library of Congress
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Preserved
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2025-04-07
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99 (1); 100-101 (1); 103 (1); 104 (1); 107 (1); 108 (1); 112 (1); 113 (1); 114 (1); 115 (1); 116 (1); 118 (1); 119 (1); 123 (1); 134 (1); 137 (1); 142 (1); 144 (1); 1987; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2006; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2022; 2023; 2024
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