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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 1 (1 to 4); II (, 1 to 4); III (, 1 to 4); IV (, 1 to 4); V; VI; VII (1 to 4); VIII; IX (1 to 4); X (, 1 to 4); XI (, 1 to 4); XII (, 1, 4, 7, 10); XIII (, 1 to 4); XIV (, 1, 4, 7, 10); XV (, 1 to 4); XVI (, 1 to 4); XVII (, 1 to 4); XVIII (, 1 to 4); 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); XXXII (, 1 to 4); XXXIII (, 1 to 4); XXXIV (, 1 to 4); XXXV (, 1 to 4); XXXVI (, 1 to 4); XXXVII (, 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); 57 (, 1 to 4); 58 (, 1 to 4); 59 (, 1 to 4); 60 (, 1 to 4); 61 (, 1 to 4); 62 (, 1 to 4); 63 (, 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 3); 76 (, 1, 3, 4); 77 (, 1 to 4); 78 (, 1, 2); 80 (, 1); 1946; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960; 1961; 1962; 1963; 1964; 1965; 1966; 1967; 1968; 1969; 1970; 1971; 1972; 1973; 1974; 1975; 1976; 1977; 1978; 1979; 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023
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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 : 1946: 1(1-4), 1947: II(1-4), 1948: III(1-4), 1949: IV(1-4), 1950: V(Autumn, Spring, Summer, Winter), 1951: VI(Autumn, Special Issue ring, Summer, Winter), 1952: VII(1-4), 1953: VIII(January, April, July, October), 1954: IX(1-4), 1955: X(1-4), 1956: XI(1-4), 1957: XII(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1957/1962: XII(3-4, 7, 10), 1958: XIII(1-4), 1959: XIV(1, 4, 7, 10), 1960: XV(1-4), 1961: XVI(1-4), 1962: XVII(1-4), 1963: XVIII(1-4), 1964: XIX(1-4), 1965: XX(1-4), 1966: XXI(1-4), 1967: XXII(1-4), 1968: XXIII(1-4), 1969: XXIV(1-4), 1970: XXV(1-4), 1971: XXVI(1-4), 1972: XXVII(1-4), 1973: XXVIII(1-4), 1974: XXIX(1-4), 1975: XXX(1-4), 1976: XXXI(1-4), 1977: XXXII(1-4), 1978: XXXIII(1-4), 1979: XXXIV(1-4), 1980: XXXV(1-4), 1981: XXXVI(1-4), 1982: XXXVII(1-4), 1983: 38(1-4), 1984: 39(1-4), 1985: 40(1-4), 1986: 41(1-4), 1987: 42(1-4), 1988: 43(1-2, 4), 1989: 44(1-4), 1990: 45(1-4), 1991: 46(1-4), 1992: 47(1-4), 1993: 48(1-4), 1994: 49(1-4), 1995: 50(1-4)
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LOCKSS Archive
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Preserved
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2026-02-09
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55 to 79
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Portico
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Preserved
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2026-02-12
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Preserved : 2007: 62(1)
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CLOCKSS Archive
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Preserved
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2026-02-09
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63 to 70, 73
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Portico
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Preserved
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2026-02-12
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Preserved : 2009: 64(1-4), 2010: 65(1-3), 2011: 66(1-4), 2011/2012: 67(1-4), 2012/2013: 68(1-4), 2014: 69(1-4), 2015: 70(1-4), 2016: 71(1-4), 2017: 72(1-2, 4), 2018: 73(1-2, 4), 2019: 74(1-4), 2020: 75(1-4), 2021: 76(1-4), 2022: 77(1-4), 2023: 78(1-4), 2024: 79(1-4), 2025: 80(1-4), 2026: 81(1)
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CLOCKSS Archive
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In Progress
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2026-02-09
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71, 72, 74 to 80
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LOCKSS Archive
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In Progress
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2026-02-09
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80
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Portico
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Preserved
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2026-02-12
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Preserved : 2000: 55(1-4), 2001: 56(1-4), 2002: 57(1-4), 2003: 58(1-4), 2004: 59(1-4), 2005: 60(1-4), 2006: 61(1-4), 2007: 62(1-4), 2008: 63(1-4), 2009: 64(1-4), 2010: 65(1-4), 2011: 66(1-4), 2012: 67(1-4), 2013: 68(1-4), 2014: 69(1-4), 2015: 70(1-4), 2016: 71(1-4), 2017: 72(1-4), 2018: 73(1-4), 2019: 74(1-4), 2020: 75(1-4), 2021: 76(1-4), 2022: 77(1-4), 2023: 78(1-4), 2024: 79(1-4), 2025: 80(1-3)
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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 (1 to 4); 8 (1 to 3); 61 (1 to 4); 62 (1 to 4); 63 (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); 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 to 4); 78 (1 to 4); 79 (1 to 3)
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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 (1 to 4); 8 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (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); 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 to 4); 78 (1 to 4); 79 (1 to 3)
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National Library of the Netherlands
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Preserved
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2024-12-15
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Preserved : 1 (1-4); II (1-4); III (1-4); IV (1-4); V (Autumn); VI; VII (1-4); VIII (April); IX (1-4); X (1-4); XI (1-4); XII (1, 4, 7, 10); XIII (1-4); XIV (1, 4, 7, 10); XV (1-4); XVI (1-4); XVII (1-4); XVIII (1-4); XIX (1-4); XX (1-4); XXI (1-4); XXII (1-4); XXIII (1-4); XXIV (1-4); XXV (1-4); XXVI (1-4); XXVII (1-4); XXVIII (1-4); XXIX (1-4); XXX (1-4); XXXI (1-4); XXXII (1-4); XXXIII (1-4); XXXIV (1-4); XXXV (1-4); XXXVI (1-4); XXXVII (1-4); 38 (1-4); 39 (1-4); 40 (1-4); 41 (1-4); 42 (1-4); 43 (1-4); 44 (1-4); 45 (1-4); 46 (1-4); 47 (1-4); 48 (1-4); 49 (1-4); 50 (1-4)
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