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Portico
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Preserved
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2026-02-12
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Preserved : 2010: 2010(1-12), 2011: 2011(1-12), 2012: 2012(1-12), 2013: 2013(1-12), 2014: 2014(1-12), 2015: 2015(1-12), 2016: 2016(1-12), 2017: 2017(1-12), 2018: 2018(1-12), 2019: 2019(1-12), 2020: 2020(1-12), 2021: 2021(1-12), 2022: 2022(1-12), 2023: 2023(1-12), 2024: 2024(1-12), 2025: 2025(1-12), 2026: 2026(1-2)
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 1997 (07, 08, 09, 10 to 12); 1998 (, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10 to 12); 1999 (, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10 to 12); 2000 (, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10 to 12); 2001 (, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10 to 12); 2002 (, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10 to 12); 2003 (, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10 to 12); 2004 (, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10 to 12); 2005 (, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10 to 12); 2006 (, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10 to 12); 2007 (, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10 to 12); 2008 (, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10 to 12); 2009 (, 01, 02, 03, 04, 05, 06); 2010 (, 1 to 12); 2011 (, 1 to 12); 2012 (, 1 to 5, 7 to 12); 2013 (, 1, 3, 5 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 : 21 (2 to 9, 11, 12); 22 (1 to 9, 11, 12); 211 (1 to 9, 11, 12); 212 (1 to 9, 11, 12); 213 (1 to 9, 11, 12); 214 (1 to 9, 11, 12); 215 (1 to 9, 11, 12); 216 (1 to 9, 11, 12); 217 (1 to 9, 11, 12); 219 (1 to 9, 11, 12); 221 (1 to 9, 11, 12); 222 (1 to 9, 11, 12); 223 (1 to 9, 11, 12); 224 (1 to 9, 11, 12); 225 (1 to 8)
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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 : 21 (2 to 9, 11, 12); 22 (1 to 9, 11, 12); 211 (1 to 9, 11, 12); 212 (1 to 9, 11, 12); 213 (1 to 9, 11, 12); 214 (1 to 9, 11, 12); 215 (1 to 9, 11, 12); 216 (1 to 9, 11, 12); 217 (1 to 9, 11, 12); 219 (1 to 9, 11, 12); 221 (1 to 9, 11, 12); 222 (1 to 9, 11, 12); 223 (1 to 9, 11, 12); 224 (1 to 9, 11, 12); 225 (1 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 : 21 (2 to 6)
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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 : 21 (2 to 6)
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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 : 21 (1, 3 to 9, 11, 12); 211 (1 to 9, 11, 12); 212 (1 to 9, 11, 12); 213 (1 to 9, 11)
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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 : 21 (1, 3 to 9, 11, 12); 211 (1 to 9, 11, 12); 212 (1 to 9, 11, 12); 213 (1 to 9, 11)
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National Digital Preservation Program, China
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Preserved
|
2025-10-23
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Preserved : 22 (2 to 9, 11, 12); 214; 215 (11); 216 (8, 9, 11, 12); 217 (1 to 9, 11, 12); 218 (1 to 9, 11, 12); 219 (1 to 9, 11); 221 (1 to 9, 11, 12); 222 (1 to 9, 11, 12); 223 (1 to 9, 11, 12)
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
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Preserved : 22 (2 to 9, 11, 12); 214; 215 (11); 216 (8, 9, 11, 12); 217 (1 to 9, 11, 12); 218 (1 to 9, 11, 12); 219 (1 to 9, 11); 221 (1 to 9, 11, 12); 222 (1 to 9, 11, 12); 223 (1 to 9, 11, 12)
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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 : 119 (9); 2010 (1-12); 2011 (1-12); 2012 (1-12); 2013 (1-12); 2014 (1-12); 2015 (1-12); 2016 (1-12); 2017 (1-12); 2018 (1-12); 2019 (1-6, 10, 11)
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Library of Congress
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Preserved
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2025-04-07
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2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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CLOCKSS Archive
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Preserved
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2026-02-09
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2010 to 2026
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CLOCKSS Archive
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Preserved
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2026-02-09
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2008, 2009
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Portico
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Preserved
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2026-02-12
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Preserved : 1997: 1997(7-12), 1998: 1998(1-12), 1999: 1999(1-12), 2000: 2000(1-12), 2001: 2001(1-12), 2002: 2002(1-12)
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Portico
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Preserved
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2026-02-12
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Preserved : 2006: 2006(4, 12), 2007: 2007(1)
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LOCKSS Archive
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Preserved
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2026-02-09
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2010 to 2018
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LOCKSS Archive
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In Progress
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2026-02-09
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2019
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