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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 30 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 40 (1 to 6); 41 (1 to 6); 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (1 to 6); 46 (1 to 6); 47 (Suppl, 1 to 6); 48 (1 to 6); 49 (1 to 6); 50 (1 to 6); 51 (1 to 6)
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Portico
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Preserved
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2026-04-02
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Preserved : 2000: 26(1-5)
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CLOCKSS Archive
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Preserved
|
2026-04-06
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26 to 51
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Portico
|
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Preserved
|
2026-04-02
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Preserved : 2002: 28(4)
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Portico
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Preserved
|
2026-04-02
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Preserved : 2005: 31(5-6), 2006: 32(1-2), 2007: 33(1, 5), 2008: 34(2, 6)
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Portico
|
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Preserved
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2026-04-02
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Preserved : 2010: 36(2)
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LOCKSS Archive
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In Progress
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2026-04-06
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38, 45
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Portico
|
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Preserved
|
2026-04-02
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Preserved : 2012: 38(3, 5-6), 2013: 39(1-3, 6), 2014: 40(1-4, 6), 2015: 41(2-6), 2016: 42(1-6), 2017: 43(1-6), 2018: 44(1-6), 2019/2020: 45(1-6), 2020: 46(1-6), 2021: 47(1, S 1, 2-6), 2022: 48(1-6), 2023: 49(1, S 1, 2-6), 2024: 50(1-6), 2025: 51(1-6)
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LOCKSS Archive
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Preserved
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2026-04-06
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39 to 44
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Library of Congress
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Preserved
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2025-04-07
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43 (6); 44 (1 to 6); 45 (1 to 6); 46 (1 to 6); 47 (1, S1, 2 to 6); 48 (1 to 6); 49 (1, S1, 2 to 6); 50 (1, 2)
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National Digital Preservation Program, China
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|
Preserved
|
2025-10-23
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|
|
Preserved : 3 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 6); 36 (1 to 6); 37 (1 to 5)
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|
|
National Digital Preservation Program, China
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|
Preserved
|
2025-12-04
|
|
|
Preserved : 3 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 6); 36 (1 to 6); 37 (1 to 5)
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|
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National Digital Preservation Program, China
|
|
Preserved
|
2025-10-23
|
|
|
Preserved : 3 (1 to 6); 4 (1 to 6); 5 (1 to 3); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 41 (1 to 6); 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (1 to 6); 46 (1 to 6); 47 (Suppl 1, 1 to 6); 48 (1 to 6); 49 (1 to 6)
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|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 3 (1 to 6); 4 (1 to 6); 5 (1 to 3); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 41 (1 to 6); 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (1 to 6); 46 (1 to 6); 47 (Suppl 1, 1 to 6); 48 (1 to 6); 49 (1 to 6)
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|
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National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : 26 (6); 27 (1-6); 28 (1-6); 29 (1-6); 30 (1-6); 31 (1-6); 32 (1-6); 33 (1, 3-6); 34 (1-6); 35 (1-6); 36 (1-6); 37 (1-6); 38 (1-6); 39 (1-6); 40 (1-6); 41 (1-6); 42 (1-6); 43 (1-6); 44 (1-6); 45 (2-5, 11)
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