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CLOCKSS Archive
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Preserved
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2026-05-11
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1 to 9
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LOCKSS Archive
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Preserved
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2026-05-11
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1 to 9
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Portico
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Preserved
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2026-05-07
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Preserved : 2003: 1(1), 2004: 2(1), 2005: 3(1), 2006: 4(1), 2007: 5(1), 2008: 6(1), 2009: 7(1)
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ZBW - Leibniz Information Centre for Economics
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Preserved
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2026-03-10
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Preserved : 1:1;2:1;3:1;3:1;4:1;5:1;6:1;6:1;7:1;7:1;8:1;9:1;9:1;10:1;11:1 to 11:2;11:1 to 11:2;12:1 to 12:2;13:1 to 13:3;14:1 to 14:6;15:3;15:1 to 15:6;16:1 to 16:4;15:6;16:4 to 16:12;17:1 to 17:7;17:2;17:4 to 17:12;18:1 to 18:2;18:2 to 18:12;19:1;20:1;19:1 to 19:12;20:1 to 20:8;20:1 to 20:12
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 15 (5, 6); 16 (1 to 4, 6 to 11); 17 (1 to 11); 18 (1 to 4, 5-6, 7 to 9, 10-11, 12); 19 (8 to 12); 20 (1 to 12); 21 (1 to 12); 22 (1 to 12); 23 (1 to 12); 24 (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 : ; 1 (1); 2 (2 to 9); 3 (1); 4; 5; 6; 7; 8; 9; 11 (2); 12 (1, 2); 13 (1 to 4); 14 (1 to 6); 15 (1 to 6); 16 (1 to 9, 11, 12); 17 (1 to 9); 18 (1-11, 3, 4, 5-6, 7, 9, 12); 19 (1 to 9, 11, 12)
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Library of Congress
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Preserved
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2025-04-07
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1; 2 (); 3 (); 4 (); 5 (); 6 (); 7 (); 8 (); 9 (); 10 (1); 11 (1, 2); 12 (1, 2); 13 (2 to 4); 14 (1 to 6); 15 (1 to 6); 16 (1 to 12); 17 (1 to 12); 18 (1, 2); 20 (7 to 12); 21 (1 to 12); 22 (1 to 9)
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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 (none, 1); 3 (none, 1); 4; 5; 6; 7; 8; 9; 10; 11 (2); 12 (1, 2); 13 (1 to 4); 14 (1 to 6); 15 (2); 18 (4, 5-6, 7, 9, 10-11, 12); 19 (1 to 4, 6, 7); 20 (2)
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Portico
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Preserved
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2026-05-07
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Preserved : 2003: 1(1), 2004: 2(1), 2005: 3(1), 2006: 4(1), 2007: 5(1), 2008: 6(1), 2009: 7(1), 2010: 8(1), 2011: 9(1), 2012: 10(1), 2013: 11(1), 2014: 12(1-2), 2015: 13(1-4), 2016: 14(1-6), 2017: 15(1-6), 2018: 16(1-12), 2019: 17(1-12), 2020: 18(1-12), 2021: 19(1-12), 2022: 20(1-12), 2023: 21(1-12), 2024/2025: 22(1-12), 2025: 23(1-5, 7-12), 2026: 24(1-3)
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