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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 31 (2); 32 (, 1, 2); 33 (, 1, 2); 34 (, 1 to 3); 35 (, 1 to 3); 36 (, 1 to 3); 37 (, 1 to 3); 38 (, 1 to 4); 39 (, 1 to 4); 40 (, 1 to 4); 41 (, 1 to 4); 42 (, 1 to 5); 43 (, 1 to 7); 44 (, 1 to 5); 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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Portico
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Preserved
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2026-02-12
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Preserved : 1910/1911: 1(1-2), 1911/1912: 2(3-4), 1912/1913: 3(5-6), 1913/1914: 4(7-8), 1916: 5(9), 1917/1918: 6(11-12), 1942: 1942(73), 1943: 1943(75), 1946: 1946(87), 1947: 1947-1948(89), 1950: 1950(90), 1958: 1958(99), 1960: 1960(103), 1963: 1963(1), 1964: 1964(2), 1965: 1965(3), 1966: 1966(4), 1967: 1967(5), 1968: 1968(6), 1969: 1969(7), 1970: 1970(8), 1971: 1971(9), 1972: 1972(10), 1973: 1973(11), 1974: 1974(12)
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LOCKSS Archive
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Preserved
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2026-02-09
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21 to 43
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CLOCKSS Archive
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Preserved
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2026-02-09
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21 to 31, 33 to 44
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LOCKSS Archive
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In Progress
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2026-02-09
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44
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Portico
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Preserved
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2026-02-12
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Preserved : 2001: 21(1), 2003: 22(1), 2004: 23(1), 2005: 24(1), 2006: 25(1), 2007: 26(1), 2008: 27(1), 2009: 28(1), 2010: 29(1), 2011: 30(1-2), 2012: 31(1-2), 2013: 32(1-2), 2014: 33(1-2), 2015: 34(1-3), 2016: 35(1-3), 2017: 36(1-3), 2018: 37(1-3), 2019: 38(1-4), 2020: 39(1-4), 2021: 40(1-4), 2022: 41(1-4), 2023: 42(1-5), 2024: 43(1-6), 2025: 44(1-7), 2026: 45(1)
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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 : 3 (1, 2); 4 (1 to 4); 21 (1); 22; 23; 24; 25; 26; 27; 28; 29; 31 (2); 32 (1, 2); 33 (1, 2); 34 (1 to 3); 35 (1 to 3); 36 (1 to 3); 37 (1 to 3); 38 (1 to 4); 39 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 7); 44 (1, 3)
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Library of Congress
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Preserved
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2025-04-07
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29 (1); 30 (1, 2); 31 (1, 2); 32 (1, 2); 33 (1, 2); 34 (1 to 3); 35 (1 to 3); 36 (1 to 3); 37 (1 to 3); 38 (1 to 4); 39 (1 to 4); 40 (1 to 4); 41 (1 to 4); 42 (1 to 5); 43 (1 to 7); 44 (1)
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