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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 37 (285 to 292); 38 (, 293 to 300); 39 (, 301 to 308); 40 (, 309 to 316); 41 (, 317 to 320); 42 (, 321 to 324); 43 (, 325 to 332); 44 (, 333 to 336); 45 (, 337); 46 (, 338 to 341); 47 (, 342 to 345); 48 (, 346 to 349); 49 (, 350 to 354); 50 (, 355 to 358); 51 (, 359 to 363); 52 (, 364 to 368); 53 (, 369 to 373); 54 (, 374 to 377); 55 (, 378 to 381); 56 (, 382 to 385); 57 (, 386 to 389); 58 (, 390 to 393); 59 (, 394 to 397); 60 (, 398 to 403); 61 (, 404 to 409); 62 (, 1 to 6); 63 (, 1 to 6); 64 (, 1 to 6); 65 (, 1 to 6); 66 (, 1 to 6); 67 (, 1 to 6); 68 (, 1 to 6); 69 (, 1 to 6); 70 (, 1 to 6); 71 (, 1 to 6); 72 (, 1 to 6); 73 (, 1 to 6); 74 (, 1 to 6); 75 (, 1 to 6); 76 (, 1 to 8); 77 (, 1 to 8); 78 (, 1 to 7); 87 (, 2 to 6); 88 (, 2 to 6); 89 (, 1); 1969; 1970; 1971; 1972; 1973; 1974; 1975; 1976; 1977; 1978; 1979; 1980; 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; 2023; 2024; 2025
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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 (1 to 6); 71 (1 to 6); 72 (1 to 6); 73 (1 to 6); 74 (1 to 6); 75 (1, 2, 4 to 6); 76 (1 to 5, 7)
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Internet Archive
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Preserved
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2025-08-08
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1 to 40
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HathiTrust
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Preserved
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2025-11-01
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v.1-10 Index(1876-1894)
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Portico
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Preserved
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2026-02-12
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Preserved : 1969/1970: 37(285-292), 1971/1972: 38(293-300), 1973/1974: 39(301-308), 1975/1976: 40(309-316), 1977: 41(317-320), 1978: 42(321-324), 1979/1980: 43(325-332), 1981: 44(333-336), 1982: 45(337), 1982: 46(338-341), 1983: 47(342-345), 1984: 48(346-349), 1985: 49(350-354), 1986: 50(355-358), 1987: 51(359-363), 1988: 52(364-368), 1989: 53(369-373), 1990: 54(374-377), 1991: 55(378-381), 1992: 56(382-385), 1993: 57(386-389), 1994: 58(390-393), 1995: 59(394-397), 1996: 60(398-403), 1997: 61(404-409), 1998: 62(1-6), 1999: 63(1-6), 2000: 64(1-6), 2001: 65(1-6), 2002: 66(1-6), 2003: 67(1-6), 2004: 68(1-6), 2005: 69(1-6), 2006: 70(1-6), 2007: 71(1-6), 2008: 72(1-6), 2009: 73(1-6), 2010: 74(1-6), 2011: 75(1-6), 2012: 76(1-8), 2013: 77(1-8), 2014: 78(1-7), 2018: 79(1-7), 2016/2018: 80(1-7), 2017/2018: 81(1-6), 2018: 82(1-6), 2018/2019: 83(1-6), 2020: 84(1-6), 2021: 85(1-6), 2022: 86(1-6), 2023: 87(1-6), 2024: 88(1-6), 2025: 89(1-6)
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Portico
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Preserved
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2026-02-12
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Preserved : 2016: 59(1-4), 2016: 60(1-6), 2016: 61(1-6), 2016: 62(1-6), 2016: 63(1-6), 2016: 64(1-6), 2016: 65(1-6), 2016: 66(1-6), 2016: 67(1-6), 2016: 68(1-6), 2016: 69(1-6), 2016: 70(1-6), 2016: 71(1-6), 2016: 72(1-6), 2016: 73(1-6), 2016: 74(1-6), 2016: 75(1-6), 2016: 76(1-8), 2016: 77(1-8), 2015: 78(1-7), 2015/2016: 79(1-7), 2016: 80(1-7), 2017: 81(1-6)
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LOCKSS Archive
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Preserved
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2026-02-09
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58 to 80
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CLOCKSS Archive
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In Progress
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2026-02-09
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74, 77
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CLOCKSS Archive
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Preserved
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2026-02-09
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75, 76, 78 to 80
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Library of Congress
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Preserved
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2025-04-07
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74 (1 to 6); 75 (1, 2, 4 to 6); 76 (1, 3, 5); 77 (1, 6 to 8); 78 (1 to 7); 79 (1 to 5, 7); 80 (1 to 7); 81 (1 to 6); 83 (1 to 6); 84 (1 to 6); 85 (1 to 3, 5, 6); 86 (1 to 6); 87 (1 to 6); 88 (1 to 4)
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British Library
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Preserved
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2019-09-18
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Preserved : 1 (1 to 7), 2 (8 to 12), 3 (13 to 16), 4 (17 to 20), 5 (22 to 26), 6 (1 to 2; 27 to 31), 8 (36 to 40), 9 (41 to 44), 10 (45 to 48), 11 (49 to 53), 12 (54 to 58), 13 (59 to 62), 14 (63 to 67), 15 (68 to 72), 16 (73 to 77), 17 (78 to 82), 18 (83 to 87), 19 (88 to 98), 20 (100 to 110), 21 (112 to 122), 22 (124 to 134), 23 (136 to 146), 24 (148 to 158), 25 (160 to 170), 26 (172 to 182), 27 (184 to 194), 28 (196 to 206), 29 (208 to 218), 30 (220 to 230), 31 (232 to 242), 32 (244 to 254), 33 (256 to 267), 34 (268), 35 (269 to 275), 36 (276 to 284), 37 (285 to 292), 38 (293 to 300), 39 (301 to 308), 40 (309 to 316), 41 (317 to 320), 42 (321 to 324), 43 (325 to 332), 44 (333 to 336), 45 (337), 46 (338 to 341), 47 (342 to 345), 48 (346 to 349), 49 (350 to 354), 50 (355 to 358), 51 (359 to 363), 52 (364 to 368), 53 (369 to 373), 55 (378 to 381), 56 (382 to 385), 57 (386 to 389), 58 (390 to 393), 58A (1 to 2), 59 (394 to 397), 60 (398 to 403), 61 (404 to 409), 62A (1 to 3), 7 (32 to 35), 62 (1 to 6), 63 (1 to 6), 64 (1 to 6), 65 (1 to 6), 66 (1 to 6), 67 (1 to 6), 68 (1 to 6), 69 (1 to 6), 70 (1 to 6), 71 (1 to 6), 72 (1 to 6), 73 (1 to 6), 74 (1 to 6), 75 (1 to 6), 76 (1 to 8), 77 (1; 3 to 8), 78 (1 to 7), 79 (1 to 7), 80 (1 to 7)
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