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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 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 10 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 20 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 30 (1 to 4); 31 (1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 4); 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 (1 to 6); 48 (1 to 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 (1 to 6); 59 (1 to 6); 60 (1 to 6); 61 (1 to 6); 62 (1 to 6); 63 (1 to 6); 64 (1 to 6); 65 (1 to 6); 66 (1 to 6); 67 (1 to 6); 68 (1 to 6); 69 (1 to 6); 70 (1 to 6); 71 (1 to 12); 72 (1 to 12); 73 (1 to 12); 74 (1 to 12); 75 (1)
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CLOCKSS Archive
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Preserved
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2026-04-13
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1, 2, 9, 10, 13, 18, 27, 33, 42, 49 to 78
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Portico
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Preserved
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2026-04-16
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Preserved : 1982: 1(6), 1983: 2(6)
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Portico
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Preserved
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2026-04-16
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Preserved : 1988: 9(4), 1988: 10(1)
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Portico
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Preserved
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2026-04-16
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Preserved : 1990: 13(1, 3)
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Portico
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Preserved
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2026-04-16
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Preserved : 1992: 18(2)
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Portico
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Preserved
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2026-04-16
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Preserved : 1997: 27(4)
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Portico
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Preserved
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2026-04-16
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Preserved : 2000: 33(3)
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Portico
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Preserved
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2026-04-16
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Preserved : 2004: 42(6)
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Portico
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Preserved
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2026-04-16
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Preserved : 2011: 55(3-6), 2011: 56(1-6), 2012: 57(1-6), 2012: 58(1-6), 2013: 59(1-6), 2013: 60(1-6), 2014: 61(1-6), 2014: 62(1-6), 2015: 63(1-6), 2015: 64(1-6), 2016: 65(1-6), 2016: 66(1-6), 2017: 67(1-6), 2017: 68(1-6), 2018: 69(1-6), 2018: 70(1-6), 2019: 71(1-12), 2020: 72(1-12), 2021: 73(1-12), 2022: 74(1-12), 2023: 75(1-12), 2024: 76(1-12), 2025: 77(1-12), 2026: 78(1-6)
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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 : 5 (1 to 6); 6 (1 to 6); 7 (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 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 (1 to 6); 59 (1 to 6); 61 (1 to 6); 62 (1 to 6); 63 (1 to 6); 64 (1 to 6); 65 (1 to 6); 66 (1 to 6); 67 (1 to 6); 68 (1 to 6); 69 (1 to 6); 71 (1 to 9, 11, 12); 72 (1 to 9, 11, 12); 73 (1 to 9, 11, 12); 74 (1 to 9, 11, 12); 75 (1 to 9, 11, 12); 76 (1 to 9, 11, 12); 77 (1 to 9, 11, 12)
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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 : 5 (1 to 6); 6 (1 to 6); 7 (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 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 (1 to 6); 59 (1 to 6); 61 (1 to 6); 62 (1 to 6); 63 (1 to 6); 64 (1 to 6); 65 (1 to 6); 66 (1 to 6); 67 (1 to 6); 68 (1 to 6); 69 (1 to 6); 71 (1 to 9, 11, 12); 72 (1 to 9, 11, 12); 73 (1 to 9, 11, 12); 74 (1 to 9, 11, 12); 75 (1 to 9, 11, 12); 76 (1 to 9, 11, 12); 77 (1 to 9, 11, 12); 78 (1, 2)
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