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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 1 (2, 3, 5, 6); 2 (, 1 to 6); 3 (, 1 to 6); 4 (, 1); 5 (, 1 to 6); 7 (, 1 to 6); 8 (, 1 to 6); 9 (, 1 to 6); 10 (, 1 to 6); 11 (, 1, 2, 4 to 6); 12 (, 1 to 6); 13 (, 1 to 6); 14 (, 1 to 6); 15 (, 1-2, 3 to 6); 16 (, 1 to 5); 17 (, 1 to 6); 18 (, 1 to 5); 19 (, 1 to 6); 20 (, 1 to 6); 21 (, 1 to 4); 22 (, 1 to 6); 23 (, 1 to 6); 24 (, 1, 2, 5-6); 25 (, 1 to 4, 5-6, 7); 28 (, 1 to 6, 7-8, 9, 10, 11-12); 29 (, 1-2, 4, 5, 7-8); 30 (, 1-2, 3, 5-6, 7, 8-9); 31 (, 1-2, 3, 4-5, 6, 7, 8-9, 10, 11-12); 32 (, 1, 2-3, 4-5, 6, 7, 8-9, 10, 11-12); 33 (, 1-2, 3, 4, 5-6, 7, 8-9, 10-11, 12); 34 (, 1-2, 3, 4-5, 6, 7, 8-9, 10-11, 12); 35 (, 1-2, 3 to 5, 6-7, 8, 9-10, 11, 12); 36 (, 1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 37 (, 1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 38 (, 1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 39 (, 1-2, 3-4, 5-6, 7-8, 9-11, 12); 40 (, 1-3, 4, 5-6, 7-8, 9, 10-11, 12); 41 (, 1-2, 3 to 6, 7-8, 9, 10-11, 12); 42 (, 1-2, 3, 4-5, 6, 7-8, 9, 10-11, 12); 43 (, 1-2, 3, 4-5, 6, 7-8, 9, 10-11, 12); 44 (, 1-2, 3, 4-5, 6, 7, 8-9, 10-11, 12); 45 (, 1, 2-3, 4 to 6, 7-8); 46 (, 1, 2, 3-4, 5 to 8); 47 (, 1 to 8); 48 (, 1 to 8); 49 (, 1-2, 3 to 12); 50 (, 5, 6, 7-9, 10 to 12); 51 (, 1 to 8); 52 (, 1 to 12); 53 (, 1 to 11); 54 (, 1 to 11); 55 (, 1 to 6, 7-8, 9 to 12); 56 (, 1, 5 to 12); 57 (, 1 to 12); 58 (, 1 to 12); 59 (, 1 to 12); 60 (, 1 to 12); 61 (, 1, 2, 7 to 12); 62 (, 1 to 12); 63 (, 1 to 8, 10, 12); 64 (, 1 to 12); 65 (, 1 to 12); 66 (, 1 to 12); 67 (, 1 to 12); 68 (, 1 to 12); 69 (, 1 to 12); 70 (, 1 to 12); 71 (, 1, 2, 4 to 6, 7-8, 9 to 12); 72 (, 1 to 12); 73 (, 1 to 3, 4-5, 6, 7-8, 9 to 12); 74 (, 1 to 12); 76 (, 1 to 10); 77 (, 1 to 12); 78 (, 1 to 10); 79; 80 (1 to 10, 11-12); 81 (, 1 to 9); 82 (, 5 to 10, 11-12); 83 (, 1 to 12); 84 (, 1 to 3, 5 to 9, 10-11, 12); 85 (, 1 to 12); 86 (, 1 to 12); 87 (, 1 to 7, 8-9, 10, 11-12); 88 (, 1 to 12); 89 (, 1 to 12); 90 (, 1 to 6, 7-8, 9, 10-11, 12); 91 (, 1 to 12); 92 (, 1, 2, 5 to 10, 11‐12); 93 (, 1, 2‐3, 4, 5, 6‐7, 8, 9, 10‐11, 12); 94 (, 1‐2, 3 to 6, 7‐8, 9 to 12); 95 (, 1 to 12); 96 (, 1 to 12); 97 (, 1 to 12); 98 (, 1 to 12); 99 (, 1 to 12); 100 (, 1 to 12); 101 (, 1 to 12); 102 (, 1 to 12); 103 (, 1 to 12); 104 (, 1 to 12); 105 (, 1 to 6); 1921; 1922; 1923; 1924; 1925; 1927; 1928; 1929; 1930; 1931; 1932; 1933; 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941; 1942; 1943; 1944; 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; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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Internet Archive
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Preserved
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2025-08-08
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1 to 79
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Portico
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Preserved
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2026-02-12
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Preserved : 1921: 1(1-6), 1922: 2(1-6), 1923: 3(1-6), 1924: 4(1-6), 1925: 5(1-6), 1926: 6(1-6), 1927: 7(1-6), 1928: 8(1-6), 1929: 9(1-6), 1930: 10(1-6), 1931: 11(1-6), 1932: 12(1-6), 1933: 13(1-6), 1934: 14(1-6), 1935: 15(1-6), 1936: 16(1-6), 1937: 17(1-6), 1938: 18(1-6), 1939: 19(1-6), 1940: 20(1-6), 1941: 21(1-6), 1942: 22(1-6), 1943: 23(1-6), 1944: 24(1-2, 5-6), 1947: 25(1-7), 1948: 28(1-12), 1949: 29(1-12), 1950: 30(1-12), 1951: 31(1-12), 1952: 32(1-12), 1953: 33(1-12), 1954: 34(1-12), 1955: 35(1-12), 1956: 36(1-2, S 1, 3-12), 1957: 37(1-12), 1958: 38(1-12), 1959: 39(1-12), 1960: 40(1-3, S 1, S1, 4-12), 1961: 41(1-2, S 1, 3-12), 1962: 42(1-2, S 1, 3-12), 1963: 43(1-2, S 1, 3-12), 1964: 44(1-2, S 1, S1, 3-12), 1965: 45(1, S 1, S1, 2-8), 1966: 46(1, S 1, S1, 2-8), 1967: 47(1, S 1, 2-8), 1968: 48(1-8), 1969: 49(1-12), 1970: 50(1-12), 1971: 51(1, S 1, 2-8), 1972: 52(1-12), 1973: 53(1-12), 1974: 54(1-12), 1975: 55(1, S 1, 2-12), 1976: 56(1, S 1, S1, 2-12), 1977: 57(1-12), 1978: 58(1-12), 1979: 59(1-12), 1980: 60(1-12), 1981: 61(1-12), 1982: 62(1-12), 1983: 63(1-8, 10-12), 1984: 64(1-12), 1985: 65(1-12), 1986: 66(1-12), 1987: 67(1-12), 1988: 68(1-12), 1989: 69(1-12), 1990: 70(1-12), 1991: 71(1-12), 1992: 72(1-12), 1993: 73(1-12), 1994: 74(1-12), 1995: 75(1-12), 1996: 76(1, S 1, 2, S 2, 3, S 3, 4, S 4, 5, S 5, 6-10), 1997: 77(1, S 1, 2, S 2, 3-12), 1998: 78(1-12), 1999: 79(1-12), 2000: 80(1-12), 2001: 81(1-12), 2002: 82(1-12), 2003: 83(1-12), 2004: 84(1-12), 2005: 85(1-12), 2006: 86(1-12), 2007: 87(1-12), 2008: 88(1-12), 2009: 89(1-12), 2010: 90(1-9, 12), 2011: 91(1-12), 2012: 92(1-12), 2013: 93(1-12), 2014: 94(1-12), 2015: 95(1-12), 2016: 96(1-12), 2017: 97(1-12), 2018: 98(1-12), 2019: 99(1-12), 2020: 100(1-12), 2021: 101(1-12), 2022: 102(1-12), 2023: 103(1-12), 2024: 104(1-12), 2025: 105(1-12), 2026: 106(1-2)
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CLOCKSS Archive
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Preserved
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2026-02-09
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5, 29, 30, 40 to 42, 44 to 46, 56, 71 to 83, 85 to 106
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.100:1-12;vol.77:1-12,S1,S2;vol.78:1-12,S3;vol.79:1-12,S1;vol.80:1-10,11-12,S1,S2;vol.81:1-12,S3;vol.82:1-10,11-12;vol.83:1-12;vol.84:1-9,12,10-11;vol.85:1-12;vol.86:1-12;vol.87:1-7,10,11-12,8-9;vol.88:1-12;vol.89:1-12;vol.90:1-6,9-9,12,10-11,7-8;vol.91:1-12;vol.92:1-10,11-12;vol.93:1-1,4-5,8-9,12,10-11,2-3,6-7;vol.94:3-6,9-12,1-2,7-8;vol.95:1-12;vol.96:1-12;vol.97:1-12;vol.98:1-12;vol.99:1-12
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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 : 1 (1 to 9, 11, 12); 8 (S2, 1 to 9, 11?12); 9 (1 to 6, 7?8, 9, 12); 11 (1 to 9, 11, 12); 12 (1 to 9, 11, 12); 13 (1 to 9, 11, 12); 14 (1 to 9, 11, 12); 15 (1 to 9); 77 (S2, 1 to 9, 11, 12); 78 (S3, 1 to 9, 11, 12); 79 (S1, 1 to 9, 11, 12); 81 (S3, 1 to 9, 11, 12); 82 (1 to 9, 11?12); 83 (1 to 9, 11, 12); 84 (1 to 9, 12); 85 (1 to 9, 11, 12); 86 (1 to 9, 11, 12); 87 (1 to 7, 8?9, 11?12); 88 (1 to 9, 11, 12); 89 (1 to 9, 11, 12); 91 (1 to 9, 11, 12); 92 (1 to 9, 11?12); 93 (1, 2?3, 4, 5, 6?7, 8, 9, 12); 94 (1?2, 3 to 6, 7?8, 9, 11, 12); 95 (1 to 9, 11, 12); 96 (1 to 9, 11, 12); 97 (1 to 9, 11, 12); 98 (1 to 9, 11, 12); 99 (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 : 1 (1 to 9, 11, 12); 8 (S2, 1 to 9, 11?12); 9 (1 to 6, 7?8, 9, 12); 11 (1 to 9, 11, 12); 12 (1 to 9, 11, 12); 13 (1 to 9, 11, 12); 14 (1 to 9, 11, 12); 15 (1 to 9); 77 (S2, 1 to 9, 11, 12); 78 (S3, 1 to 9, 11, 12); 79 (S1, 1 to 9, 11, 12); 81 (S3, 1 to 9, 11, 12); 82 (1 to 9, 11?12); 83 (1 to 9, 11, 12); 84 (1 to 9, 12); 85 (1 to 9, 11, 12); 86 (1 to 9, 11, 12); 87 (1 to 7, 8?9, 11?12); 88 (1 to 9, 11, 12); 89 (1 to 9, 11, 12); 91 (1 to 9, 11, 12); 92 (1 to 9, 11?12); 93 (1, 2?3, 4, 5, 6?7, 8, 9, 12); 94 (1?2, 3 to 6, 7?8, 9, 11, 12); 95 (1 to 9, 11, 12); 96 (1 to 9, 11, 12); 97 (1 to 9, 11, 12); 98 (1 to 9, 11, 12); 99 (1 to 9, 11, 12)
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