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CLOCKSS Archive
|
|
Preserved
|
2026-04-27
|
|
|
60 to 70
|
|
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Scholars Portal
|
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Preserved
|
2026-03-19
|
|
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Preserved : 60 (1 to 5); 61 (1 to 5); 62 (1 to 4); 63 (Supplement, 1 to 4); 64 (1 to 4); 65 (1 to 4); 66 (1 to 4); 67 (1 to 4); 68 (1 to 4); 69 (1 to 4); 70 (1 to 4); 71 (1 to 4); 72 (1 to 4); 73 (1 to 4); 74 (1 to 4); 75 (1 to 4); 76 (1 to 4); 77 (1)
|
|
|
Internet Archive
|
|
Preserved
|
2025-08-08
|
|
|
1 to 51
|
|
|
Portico
|
|
Preserved
|
2026-04-30
|
|
|
Preserved : 2009: 60(1-5), 2010: 61(1-5), 2011: 62(1-4), 2012: 63(1-4), 2013: 64(1-4), 2014: 65(1-4), 2015: 66(1-4), 2016: 67(1-4), 2017: 68(1-4), 2018: 69(1-4), 2019: 70(1-4)
|
|
|
Portico
|
|
Preserved
|
2026-04-30
|
|
|
Preserved : 1969: 20(3)
|
|
|
Portico
|
|
Preserved
|
2026-04-30
|
|
|
Preserved : 1988: 39(2)
|
|
|
CLOCKSS Archive
|
|
Preserved
|
2026-04-27
|
|
|
60 to 70
|
|
|
LOCKSS Archive
|
|
Preserved
|
2026-04-27
|
|
|
60 to 75
|
|
|
Portico
|
|
Preserved
|
2026-04-30
|
|
|
Preserved : 2009: 60(1-5), 2010: 61(1-5), 2011: 62(1-4), 2012: 63(1-3, 3, S, 4), 2013: 64(1-4), 2014: 65(1-4), 2015: 66(1-4), 2016: 67(1-4), 2017: 68(1-4), 2018: 69(1-4), 2019: 70(1-4), 2020: 71(1-4), 2021: 72(1-4), 2022: 73(1-4), 2023: 74(1-4), 2024: 75(1-4), 2025: 76(1-4), 2026: 77(1-2)
|
|
|
CLOCKSS Archive
|
|
In Progress
|
2026-04-27
|
|
|
71 to 77
|
|
|
LOCKSS Archive
|
|
In Progress
|
2026-04-27
|
|
|
76, 77
|
|
|
National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : 60 (1-5); 61 (1-5); 62 (1-4); 63 (1-4); 64 (1-4); 65 (1-4); 66 (1-4); 67 (1-4); 68 (1-4); 69 (1-4); 70 (1-4)
|
