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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 36 (1 to 4, 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 (1 to 6); 48 (1 to 4, 5-6); 49 (1 to 6); 50 (1 to 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 57 (1 to 6); 58 (Suppl, 1 to 6); 59 (Suppl, 1 to 6); 60 (Suppl, 1 to 6); 61 (1 to 6); 62 (1)
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Internet Archive
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Preserved
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2025-08-08
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5 to 12
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Portico
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Preserved
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2026-04-02
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Preserved : 2000: 36(1-4)
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CLOCKSS Archive
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Preserved
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2026-04-06
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36 to 62
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Portico
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Preserved
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2026-04-02
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Preserved : 2002: 38(5)
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Portico
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Preserved
|
2026-04-02
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|
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Preserved : 2007: 43(2)
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Portico
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Preserved
|
2026-04-02
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Preserved : 2011: 47(6), 2012: 48(4-6), 2013: 49(1-2, 5-6), 2014: 50(1-3, 5), 2015: 51(1-6), 2016: 52(1-6), 2017: 53(1-6), 2018: 54(1-6), 2019/2020: 55(1-6), 2020: 56(1-6), 2021: 57(1-6), 2022: 58(1, S 1, 2-6), 2023: 59(1, S 1, 2-6), 2024: 60(1, S 1, 2-6), 2025: 61(1-6), 2026: 62(1)
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LOCKSS Archive
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In Progress
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2026-04-06
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48, 55
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LOCKSS Archive
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Preserved
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2026-04-06
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49 to 54
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Library of Congress
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Preserved
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2025-04-07
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54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 57 (1 to 6); 58 (S1, 1 to 6); 59 (1, S1, 2 to 6); 60 (1 to 4)
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National Digital Preservation Program, China
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Preserved
|
2025-10-23
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|
|
Preserved : 4 (1 to 6); 5 (1 to 6); 6 (Suppl 1, 1 to 6); 36 (1 to 4, 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, 2, 4 to 6); 47 (1 to 6); 48 (1 to 4, 5-6); 49 (1 to 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 57 (1 to 6); 58 (Suppl 1, 1 to 6); 59 (1 to 6)
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|
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National Digital Preservation Program, China
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|
Preserved
|
2025-12-04
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|
|
Preserved : 4 (1 to 6); 5 (1 to 6); 6 (Suppl 1, 1 to 6); 36 (1 to 4, 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, 2, 4 to 6); 47 (1 to 6); 48 (1 to 4, 5-6); 49 (1 to 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 57 (1 to 6); 58 (Suppl 1, 1 to 6); 59 (1 to 6)
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|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-10-23
|
|
|
Preserved : 44 (1); 46 (2 to 6); 47 (1, 2)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 44 (1); 46 (2 to 6); 47 (1, 2)
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|
|
National Library of the Netherlands
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|
Preserved
|
2024-12-15
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|
|
Preserved : 36 (6); 37 (1-6); 38 (1-6); 39 (1-6); 40 (1-6); 41 (1-6); 42 (1-6); 43 (2-6); 44 (1-6); 45 (1-6); 46 (1-6); 47 (1-6); 48 (1-4, 5-6); 49 (1-6); 50 (1-6); 51 (1-6); 52 (1-6); 53 (1-6); 54 (1-6); 55 (1-4)
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