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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 to 6); 2 (1 to 6); 3 (1 to 6); 4 (1 to 6); 5 (1 to 6); 6 (1 to 4, 5-6, 7, 8); 7 (1-2, 3, 4-5, 6, 7-8); 8 (1-2, 3 to 8); 9 (1 to 8); 10 (1 to 8); 11 (1 to 8); 12 (Suppl, 1 to 8); 13 (1 to 8); 14 (1 to 8); 15 (1 to 8); 16 (1 to 8); 17 (1 to 8); 18 (1 to 8); 19 (Suppl, 1 to 3, 4-5, 6 to 8); 20 (1 to 8); 21 (1 to 4, 5-6, 7, 8); 22 (Suppl, 1, 2-3, 4 to 8); 23 (1 to 8); 24 (3, 5 to 8); 25 (1 to 8); 26 (1, 2-3, 4 to 8); 27 (1, 2)
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Portico
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Preserved
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2026-04-23
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Preserved : 1996: 1(1-6)
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CLOCKSS Archive
|
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Preserved
|
2026-04-27
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1 to 30
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|
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Portico
|
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Preserved
|
2026-04-23
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Preserved : 2000: 5(1, 3, 6), 2001: 6(2, 4-8), 2002: 7(1-6), 2003: 8(5)
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Portico
|
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Preserved
|
2026-04-23
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Preserved : 2004: 9(4, 7-8), 2005: 10(2-3, 5-7), 2006: 11(1, 3, 5, 7-8), 2007: 12(S 1, 3-5, 7), 2008: 13(3-4, 8), 2009: 14(1, 3)
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|
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Portico
|
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Preserved
|
2026-04-23
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Preserved : 2010: 15(8)
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Portico
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Preserved
|
2026-04-23
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Preserved : 2011: 16(8), 2012: 17(1, 3, 5, 7-8), 2013: 18(1-8), 2014: 19(1, S 1, 2, S 2, 3-8), 2015: 20(1-8), 2016: 21(1-8), 2017: 22(1, S 1, 2-8), 2018: 23(1-8), 2019: 24(1-8), 2020: 25(1-8), 2021: 26(1-8), 2022: 27(1-8), 2023: 28(1-8), 2024: 29(1-7), 2025: 30(3-8)
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LOCKSS Archive
|
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Preserved
|
2026-04-27
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1 to 23
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|
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LOCKSS Archive
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In Progress
|
2026-04-27
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24
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|
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National Library of the Netherlands
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Preserved
|
2024-12-15
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Preserved : 1 (1-6); 2 (1-6); 3 (1-6); 4 (1-6); 5 (1-6); 6 (1-4, 5-6, 7, 8); 7 (1-2, 3, 4-5, 6, 7-8); 8 (1-2, 3-8); 9 (1-8); 10 (1-8); 11 (1-8); 12 (1-3, 5-8); 13 (1-8); 14 (supplement-1, 1-8); 15 (1-8); 16 (supplement-1, 1-8); 17 (1-8); 18 (1-6, 8); 19 (supplement-2, 1-3, 4-5, 6-8); 20 (1-8); 21 (1-4, 5-6, 7, 8); 22 (1, 2-3, 4-8); 23 (1-8); 24 (1-7)
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Library of Congress
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Preserved
|
2025-04-07
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22 (8); 23 (1 to 8); 24 (1 to 8); 25 (1 to 8); 26 (1, 2-3, 4 to 8); 27 (1 to 4-5, 6 to 8); 28 (1 to 8); 29 (1 to 6)
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Scholars Portal
|
|
Preserved
|
2026-03-19
|
|
|
Preserved : 27 (3, 4, 6 to 8); 28 (1 to 8); 29 (1 to 7); 30 (1 to 3, 4-5, 6-8)
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National Digital Preservation Program, China
|
|
Preserved
|
2025-10-23
|
|
|
Preserved : 1 (1 to 8); 2 (1 to 8); 3 (1 to 6); 4 (1 to 6); 5 (1 to 6); 6 (1 to 5, 7, 8); 7 (1, 3, 4, 6, 7); 8 (1, 3 to 8); 9 (1 to 8); 11 (1 to 8); 12 (1 to 8); 13 (1 to 8); 14 (1 to 8); 15 (1 to 8); 16 (1 to 8); 17 (1 to 8); 18 (1 to 8); 19 (1 to 4, 6 to 8); 21 (1 to 4, 7, 8); 22 (1, 2, 4 to 8); 23 (1 to 8); 24 (1 to 8); 25 (1 to 8); 26 (1, 2-3, 4 to 8); 27 (1 to 3, 4-5, 6 to 8); 28 (1 to 8); 29 (1 to 7)
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|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 1 (1 to 8); 2 (1 to 8); 3 (1 to 6); 4 (1 to 6); 5 (1 to 6); 6 (1 to 5, 7, 8); 7 (1, 3, 4, 6, 7); 8 (1, 3 to 8); 9 (1 to 8); 11 (1 to 8); 12 (1 to 8); 13 (1 to 8); 14 (1 to 8); 15 (1 to 8); 16 (1 to 8); 17 (1 to 8); 18 (1 to 8); 19 (1 to 4, 6 to 8); 21 (1 to 4, 7, 8); 22 (1, 2, 4 to 8); 23 (1 to 8); 24 (1 to 8); 25 (1 to 8); 26 (1, 2-3, 4 to 8); 27 (1 to 3, 4-5, 6 to 8); 28 (1 to 8); 29 (1 to 7)
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