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Scholars Portal
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Preserved
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2026-03-19
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Preserved : I (1 to 4); II (1 to 4); III (1 to 4); IV (1 to 4); V (1 to 4); VI (1 to 4); VII (1 to 4); VIII (1 to 4); IX (1 to 4); X (1 to 4); XI (1 to 4); XII (1 to 4); XIII (1 to 4); XIV (1 to 4); XV (1 to 4); XVI (1 to 4); XVII (1 to 4); XVIII (1 to 3); XIX (1 to 4); XX (1 to 4); XXI (1 to 4); XXII (1 to 4); XXIII (1 to 4); XXIV (1 to 4); XXV (1 to 4); XXVI (1 to 4); XXVII (1 to 4); XXVIII (1 to 4); XXIX (1 to 4); XXX (1 to 4); XXXI (1 to 4); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 40 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 50 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1, 2); 55 (1, 4); 56 (1 to 3); 57 (1, 3, 4); 58 (1 to 4); 59 (1 to 3); 60 (1, 4); 61 (3)
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Portico
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Preserved
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2026-04-30
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Preserved : 1966: II(2)
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Portico
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Preserved
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2026-04-30
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Preserved : 1982: XVIII(4)
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Portico
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Preserved
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2026-04-30
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Preserved : 2001: 37(1-4), 2002: 38(1-4), 2003: 39(1-4), 2004: 40(1-4), 2005: 41(1-4), 2006: 42(1-4), 2007: 43(1-4), 2008: 44(1-4), 2009: 45(1-4), 2010: 46(1-4), 2011: 47(1-4), 2012: 48(1-4), 2012/2013: 49(1-4), 2014: 50(1-4), 2015: 51(1-4), 2016: 52(1-4), 2017: 53(1-4), 2018: 54(1-4), 2019: 55(1-4), 2020: 56(1-4), 2021: 57(1-4), 2022: 58(1-4), 2023: 59(1-4), 2024: 60(1-4), 2025: 61(1-3)
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LOCKSS Archive
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Preserved
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2026-04-27
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41 to 61
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CLOCKSS Archive
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Preserved
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2026-04-27
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44 to 54, 61
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CLOCKSS Archive
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In Progress
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2026-04-27
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55 to 61
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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 4); 6 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1, 3, 4); 61 (1, 2)
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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 4); 6 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1, 3, 4); 61 (1, 2)
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British Library
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Preserved
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2019-09-18
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Preserved : 50 (1 to 4), 51 (1 to 4), 52 (1; 3 to 4), 53 (1 to 2), 54 (1; 3)
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