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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 34 (1 to 4); 35 (, 1 to 4); 36 (, 1 to 4); 37 (, 1 to 4); 38 (, 1 to 4); 39 (, 1 to 4); 1997; 1998; 1999; 2000; 2001; 2002
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Internet Archive
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Preserved
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2025-08-08
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28 to 48
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Portico
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Preserved
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2026-02-12
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Preserved : 2000: 37(3), 2001: 38(1-4), 2002: 39(1-4), 2003: 40(1-4), 2004: 41(1-4), 2005: 42(1-4), 2006: 43(1-5), 2007: 44(1-6), 2008: 45(1-6), 2009: 46(1-6), 2010: 47(1-6), 2011: 48(1-6), 2012: 49(1-6), 2013: 50(1-5), 2014: 51(1-6), 2015: 52(1-6), 2016: 53(1-6), 2017: 54(1-6), 2018: 55(1-6), 2019: 56(1-6), 2020: 57(1-6), 2021: 58(1-6), 2022: 59(1-6), 2023: 60(1-6), 2024: 61(1-6), 2025: 62(1-6)
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CLOCKSS Archive
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Preserved
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2026-02-09
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49 to 51
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CLOCKSS Archive
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In Progress
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2026-02-09
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52
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LOCKSS Archive
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In Progress
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2026-02-09
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37 to 57
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CLOCKSS Archive
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Preserved
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2026-02-09
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37 to 62
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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 : 61 (1 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 : 61 (1 to 6)
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Library of Congress
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Preserved
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2025-04-07
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53 (5, 6); 54 (1 to 6); 55 (1 to 3-4, 5, 6); 56 (1 to 4, 6); 57 (1 to 6); 58 (1 to 6); 60 (1 to 6); 61 (1 to 4)
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