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Internet Archive
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Preserved
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2025-08-08
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to 18
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 2 (2, 3); 20 (, 1 to 3); 21 (, 1 to 3); 22 (, 1 to 3); 23 (, 1 to 3); 24 (, 1 to 3); 25 (, 1 to 3); 26 (, 1 to 3); 27 (, 1 to 3); 28 (, 1 to 3); 29 (, 1 to 3); 30 (, 1 to 3); 31 (, 1 to 3); 32 (, 1 to 3); 33 (, 1 to 3); 34 (, 1 to 3); 35 (, 1 to 3); 36 (, 1 to 3); 37 (, 1 to 3); 38 (, 1, 3); 39 (, 3); 1980; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024
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Portico
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Preserved
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2026-02-12
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Preserved : 2005: 20(3, 60), 2006: 21(2, 62)
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Portico
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Preserved
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2026-02-12
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Preserved : 2008: 23(1, 67), 2009: 24(1, 70), 2010/2011: 25(1, 73), 2011: 26(1, 76), 2012: 27(1, 79), 2013: 28(1, 82), 2014: 29(1, 85), 2015: 30(1, 88), 2016: 31(1, 91), 2017: 32(1, 94)
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Portico
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Preserved
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2026-02-12
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Preserved : 2019: 34(2-3), 2020: 35(1-3), 2021: 36(1-3), 2022: 37(1-3), 2023: 38(1-3), 2024: 39(1-3), 2025: 40(1-3)
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Portico
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Preserved
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2026-02-12
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Preserved : 2000: 15(1-3), 2001: 16(1-3), 2002: 17(1-3), 2003: 18(1-3), 2004: 19(1-3)
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CLOCKSS Archive
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Preserved
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2026-02-09
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15 to 31, 34
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LOCKSS Archive
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Preserved
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2026-02-09
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15 to 39
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CLOCKSS Archive
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In Progress
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2026-02-09
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32, 33, 35 to 40
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LOCKSS Archive
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In Progress
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2026-02-09
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40
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