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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 66 (1); 69; 71; 72; 1975 (1); 1976; 1977; 1978; 1979; 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2003; 2004; 2005; 2006 (54); 2007 (1); 2008; 2009 (60); 2010 (61, 62); 2011 (63, 64); 2012 (65, 66); 2013 (67, 68); 2014 (69, 70); 2015 (71, 72); 2016 (73, 74); 2017 (75, 76); 2018 (77, 78); 2019 (79, 80); 2020 (81, 82); 2021 (83, 84); 2022 (85-86); 2023 (87, 88); 2024 (89, 90); 2025 (91, 92)
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Internet Archive
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Preserved
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2025-08-08
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LOCKSS Archive
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Preserved
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2026-04-27
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2010 to 2012
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CLOCKSS Archive
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Preserved
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2026-04-27
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2010 to 2015
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Portico
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Preserved
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2026-04-23
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Preserved : 1975: 1975(1), 1976: 1976(1), 1977: 1977(1), 1978: 1978(1), 1979: 1979(1), 1980: 1980(1), 1981: 1981(1), 1982: 1982(1), 1983: 1983(1), 1984: 1984(1), 1985: 1985(1), 1986: 1986(1), 1987: 1987(1), 1988: 1988(1), 1989: 1989(1), 1990: 1990(1), 1991: 1991(1), 1994: 1994(1), 1995: 1995(1), 1996: 1996(1), 1997: 1997(1), 1998: 1998(1), 1999: 1999(1), 2000: 2000(1), 2001: 2001(1), 2003: 2003(1), 2004: 2004(1), 2005: 2005(1), 2006: 2006(1, 54), 2007: 2007(1), 2008: 2008(1), 2009: 2009(1, 60), 2010: 2010(61-62), 2011: 2011(63-64), 2012: 2012(65-66), 2013: 2013(67-68), 2015: 2014(70)
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LOCKSS Archive
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Preserved
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2026-04-27
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1975 to 1991, 1994 to 2001, 2003 to 2024
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CLOCKSS Archive
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Preserved
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2026-04-27
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1975 to 1991, 1994 to 2001, 2003 to 2025
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LOCKSS Archive
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In Progress
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2026-04-27
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2025
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Portico
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Preserved
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2026-04-23
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Preserved : 2001: 2001(1)
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Portico
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Preserved
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2026-04-23
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Preserved : 2008: 2008(1), 2009: 2009(1), 2010: 2010(61-62), 2011: 2011(63-64), 2012: 2012(65-66), 2013: 2013(67-68), 2014/2015: 2014(69-70), 2015: 2015(71-72), 2016: 2016(73-74), 2017: 2017(75-76), 2018: 2018(77-78), 2019: 2019(79-80), 2020: 2020(81-82), 2021: 2021(83-84), 2022: 2022(85-86), 2023: 2023(87-88), 2024: 2024(89-90), 2025: 2025(91-92)
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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 : 217 (75, 76); 218 (77)
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
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Preserved : 217 (75, 76); 218 (77)
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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 (1); 21 (61, 62); 22 (81, 82); 23 (1); 24; 25; 26 (54); 27 (1); 28; 29 (6); 211 (63, 64); 212 (65, 66); 213 (67, 68); 214 (7, 69); 215 (71, 72); 216 (73, 74); 217 (75, 76); 218 (77, 78); 219 (8, 79); 221 (83, 84); 222 (85-86); 223 (87, 88); 224 (9, 89); 1997 (1); 1998; 1999
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Library of Congress
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Preserved
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2025-04-07
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2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024
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