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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 66 (1 to 12); 67 (, 1); 2014; 2015
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Internet Archive
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Preserved
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2025-08-08
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1 to 66
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Portico
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Preserved
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2026-02-12
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Preserved : 1989: 32(7)
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CLOCKSS Archive
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Preserved
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2026-02-09
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32, 40, 62, 66 to 78
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Portico
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Preserved
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2026-02-12
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Preserved : 1997: 40(S 9)
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Portico
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Preserved
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2026-02-12
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Preserved : 2010: 62(S10)
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Portico
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Preserved
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2026-02-12
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Preserved : 2014: 66(1-3, S3, 4-10, S 10, 11-12), 2015: 67(1-10, S10, 11-12), 2016: 68(1-10, S10, 11-12), 2017: 69(1-4, S4, 5-10, S10, 11-12), 2018: 70(1-9, S9, 10-12), 2019: 71(1-10, S10, 11-12), 2020: 72(1, S1, 2-10, S10, 11-12), 2021: 73(1-9, S9, 10-12), 2022: 74(1-9, S9, 10-12), 2023: 75(1-4, S4, 5-9, S9, 10-12), 2024: 76(1-9, S9, 10-12), 2025: 77(1-9, S9, 10-12), 2026: 78(1)
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : 7 (S9, 1 to 9, 11, 12); 66 (, 1 to 9, 11, 12); 67 (, 1 to 9, 11, 12); 68 (, 1 to 9, 11, 12); 69 (, 1 to 9, 11, 12); 71 (S1, 1 to 9, 11, 12); 72 (S1, 1 to 9, 11, 12); 73 (S9, 1 to 9, 11, 12); 74 (S9, 1 to 9, 11, 12); 75 (S4, 1 to 9, 11, 12); 76 (S9, 1, 3 to 9, 11, 12); 77 (1 to 7, 9)
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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 : 7 (S9, 1 to 9, 11, 12); 66 (, 1 to 9, 11, 12); 67 (, 1 to 9, 11, 12); 68 (, 1 to 9, 11, 12); 69 (, 1 to 9, 11, 12); 71 (S1, 1 to 9, 11, 12); 72 (S1, 1 to 9, 11, 12); 73 (S9, 1 to 9, 11, 12); 74 (S9, 1 to 9, 11, 12); 75 (S4, 1 to 9, 11, 12); 76 (S9, 1, 3 to 9, 11, 12); 77 (1 to 7, 9, 11)
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