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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 6 (1 to 3, 4); 7 (1 to 3, 4); 8 (1 to 3, 4); 9 (1 to 3, 4); 10 (1 to 3, 4); 11 (1 to 3, 4); 12 (1 to 3, 4); 13 (1 to 3, 4); 14 (1_suppl, 2 to 4); 15 (1 to 3, 4); 16 (1 to 3 to 6); 17 (1_suppl, 2 to 6); 18 (1_suppl, 2 to 6); 19 (1_suppl, 2 to 6); 20 (1)
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CLOCKSS Archive
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Preserved
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2026-04-06
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1 to 10
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LOCKSS Archive
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Preserved
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2026-04-06
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1 to 18
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Portico
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Preserved
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2026-04-02
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Preserved : 2007/2008: 1(1-2), 2008: 2(1-2), 2009: 3(1-2), 2010: 4(1-2), 2011: 5(1-4), 2012: 6(1-2, 2, S, s2-4), 2013: 7(1-2, 2, S, 3-4), 2014: 8(1-4), 2015: 9(1-4), 2016: 10(1-2, 2, S, 3-4), 2017: 11(1-2, 2, S, 3-4), 2018: 12(1-2, 2, S, 3-4), 2019: 13(1-2, 2, S, 3, 3, S, 4), 2020: 14(1, 1, S, 2-4), 2021: 15(1-2, 2, S, 3-4), 2022: 16(1-2, 2, S, 3-6), 2023: 17(1, 1, S, 2-6), 2024: 18(1, 1, S, 2-6), 2025: 19(1, 1, S, 2-6), 2026: 20(1-2)
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CLOCKSS Archive
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In Progress
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2026-04-06
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11 to 20
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LOCKSS Archive
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In Progress
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2026-04-06
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19, 20
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Library of Congress
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Preserved
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2025-04-07
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4 (1, 2); 5 (1 to 4); 6 (2_suppl, 1 to 4); 7 (2_suppl, 1 to 4); 8 (2_suppl, 1 to 4); 9 (2_suppl, 1 to 4); 10 (2_suppl, 1 to 4); 11 (2_suppl, 1 to 4); 12 (2_suppl, 1 to 4); 13 (2_suppl, 3_suppl, 1 to 4); 14 (1_suppl, 1 to 4); 15 (2_suppl, 1 to 4); 16 (2_suppl, 1 to 6); 17 (1_suppl, 1 to 6); 18 (1_suppl, 1 to 6)
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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 : 6 (1-4); 7 (1-4); 8 (1-4); 9 (1-3); 10 (1-4); 11 (1-4); 12 (1-4); 13 (1-4)
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