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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 18 (3); 2005 (91 to 93); 2006 (94 to 96); 2007 (97 to 99); 2008 (100 to 102); 2009 (103 to 105); 2010 (106 to 108); 2011 (109 to 111); 2012 (112 to 114); 2013 (115 to 117); 2014 (118 to 120); 2015 (121 to 123); 2016 (124 to 126); 2017 (127 to 129); 2018 (130, 131); 2019 (133 to 135); 2020 (136 to 138); 2021 (139 to 141); 2022 (142 to 144); 2023 (145, 146); 2024 (148, 149); 2025 (151, 153)
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LOCKSS Archive
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Preserved
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2026-04-13
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79 to 90, 1975 to 2025
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CLOCKSS Archive
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Preserved
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2026-04-13
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2000 to 2016
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Portico
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Preserved
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2026-04-16
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Preserved : 2006: 2006(96)
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Portico
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Preserved
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2026-04-16
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Preserved : 2008: 2008(101-102), 2009: 2009(103-105), 2010: 2010(106-107), 2011: 2011(109-111), 2012: 2012(112, 114), 2013: 2013(115-117), 2014: 2014(118-120), 2015: 2015(121-123), 2016: 2016(124-126), 2017: 2017(127-129), 2018: 2018(132), 2019: 2019(133-135), 2020: 2020(136-138), 2021: 2021(139-141), 2022: 2022(142-144), 2023: 2023(145-147), 2024: 2024(148-150), 2025: 2025(151-153)
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CLOCKSS Archive
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In Progress
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2026-04-13
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2017 to 2025
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Portico
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Preserved
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2026-04-16
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Preserved : 2001: 79(1), 2001: 80(1), 2001: 81(1), 2002: 82(1), 2002: 83(1), 2002: 84(1), 2003: 85(1), 2003: 86(1), 2003: 87(1), 2004: 88(1), 2004: 89(1), 2004: 90(1)
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