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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (1); 2; 3 (2); 4 (1, 2); 5 (1, 2); 6 (1, 2); 7 (1, 2); 8 (1, 2); 14 (1, 2); 15 (1, 2); 16 (1, 2); 17 (1, 2); 18 (1, 2); 19 (1, 2); 20 (1, 2); 21 (1, 2); 22 (1, 2); 23 (1, 2); 24 (1, 2); 25 (1, 2); 26 (1, 2); 27 (1, 2); 28 (1, 2); 34; 38 (3, 4); 40 (1 to 4); 41 (1 to 3); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 50 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1, 3, 4); 54 (1 to 4); 55 (1)
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Internet Archive
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Preserved
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2025-08-08
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1 to 36
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LOCKSS Archive
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Preserved
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2026-04-27
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32 to 53
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CLOCKSS Archive
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Preserved
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2026-04-27
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ahead-of-print, 32 to 55
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LOCKSS Archive
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In Progress
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2026-04-27
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54, 55
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Portico
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Preserved
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2026-04-23
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Preserved : 1972: 1(1), 1973: 2(1)
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Portico
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Preserved
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2026-04-23
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Preserved : 1997: 26(1-2), 1998: 27(1-2), 1999: 28(1-2), 2000: 29(1-2)
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Portico
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Preserved
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2026-04-23
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Preserved : 2003: 32(1-2), 2004/2005: 33(1-2), 2005: 34(1-2), 2006: 35(1-4), 2007: 36(1-4), 2008: 37(1-4), 2009: 38(1-4), 2010: 39(1-4), 2011: 40(1-4), 2012: 41(1-4), 2013: 42(1-4), 2014: 43(1-4), 2015: 44(1-4), 2016: 45(1-4), 2017: 46(1-4), 2018: 47(1-4), 2019: 48(1-4), 2020: 49(1-4), 2021: 50(1-4), 2022: 51(1-4), 2023: 52(1-4), 2024: 53(1-3), 2025: 54(1-4), 2026: 55(1-2)
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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 : 4 (2 to 4); 5 (1 to 4); 32 (1, 2); 33 (1, 2); 34 (1, 2); 35 (1 to 4); 36 (1 to 4); 37 (1-2, 3, 4); 38 (1 to 4); 39 (1-2, 3-4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1)
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Library of Congress
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Preserved
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2025-04-07
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39 (1-2, 3-4); 40 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 50 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4)
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