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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 18 (1, 3, 4); 19 (1 to 4); 20 (s1, 1 to 4); 21 (s1, 1 to 4); 22 (s1, 1 to 4); 23 (s1, 1 to 4); 24 (s1, 1 to 4); 25 (s1, 1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 30 (1 to 4); 31 (1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (S1, 1 to 4); 38 (1 to 4); 39 (1 to 4); 40 (1 to 4); 41 (1 to 4); 42 (1 to 4)
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Internet Archive
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Preserved
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2025-08-08
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1 to 21
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CLOCKSS Archive
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Preserved
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2026-05-04
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18 to 43
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Portico
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Preserved
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2026-04-30
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Preserved : 2005: 22(1-2), 2006: 23(1-2), 2007: 24(1-2), 2008: 25(1-2), 2009: 26(1-2), 2010: 27(1-4), 2011: 28(1-4), 2012: 29(1-4), 2013: 30(1-4), 2014: 31(1-4), 2015: 32(1-4), 2016: 33(1-4), 2017: 34(1-4), 2018: 35(1-4), 2019: 36(1-4), 2020: 37(1, S1, 2-4), 2021: 38(1-4), 2022: 39(1-4), 2023: 40(1-4), 2024: 41(1-4), 2025: 42(1-4)
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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 : 2 (, 1 to 4); 3 (1 to 4); 4 (1 to 4); 18 (1 to 4); 19 (1 to 4); 21 (, 1 to 4); 22 (, 1 to 4); 23 (, 1 to 4); 24 (, 1 to 4); 25 (, 1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 31 (1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (S1, 1 to 4); 38 (1 to 4); 39 (1 to 4); 41 (1 to 4)
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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 to 4); 3 (1 to 4); 4 (1 to 4); 18 (1 to 4); 19 (1 to 4); 21 (, 1 to 4); 22 (, 1 to 4); 23 (, 1 to 4); 24 (, 1 to 4); 25 (, 1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 31 (1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (S1, 1 to 4); 38 (1 to 4); 39 (1 to 4); 41 (1 to 4)
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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 : 23 (s1, 1-4); 24 (s1, 1-4)
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