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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.72:1-4;vol.73:1-4;vol.74:1-4;vol.75:1-4;vol.76:1-4;vol.77:1-4;vol.78:1-4;vol.79:1-4;vol.80:1-4;vol.81:1-4;vol.82:1-4;vol.83:1-4;vol.84:1-4;vol.85:1-4;vol.86:1-4;vol.87:1-4;vol.88:1-4;vol.89:1-4;vol.90:1-4;vol.91:1-4;vol.92:1-4;vol.93:1-4;vol.94:1-6;vol.95:1-6;vol.96:1
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Internet Archive
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Preserved
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2025-08-08
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60 to 90
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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); 2 (, 1 to 4); 3 (, 1 to 4); 4 (, 1 to 4); 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 4); 36 (, 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 to 4); 55 (, 1 to 4); 56 (, 1 to 4); 57 (, 1 to 4); 58 (, 1 to 4); 59 (, 1 to 4); 60 (, 1 to 4); 61 (, 1 to 4); 69 (, 1 to 4); 70 (, 1 to 3); 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 4); 80 (, 1 to 4); 81 (, 1 to 4); 82 (, 1 to 4); 86 (, 1 to 4); 87 (, 1 to 4); 88 (, 1 to 4); 89 (, 1 to 4); 90 (, 1 to 4); 91 (, 1 to 4); 92 (, 1 to 4); 93 (, 1 to 4); 94 (, 1 to 6); 95 (, 1 to 6); 96 (, 1 to 6); 97 (, 1 to 6); 98 (, 1 to 6); 99 (, 1 to 6); 100 (, 1 to 4); 1923; 1924; 1925; 1926; 1927; 1928; 1929; 1930; 1931; 1932; 1933; 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941; 1942; 1943; 1944; 1945; 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; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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CLOCKSS Archive
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Preserved
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2026-02-09
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1, 7, 17, 40, 55, 59, 65 to 101
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Portico
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Preserved
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2026-02-12
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Preserved : 1923/1924/1925: 1(1-4), 1926/1927: 2(1-4), 1928: 3(1-4), 1929: 4(1-4), 1930: 5(1-4), 1931: 6(1-4), 1932: 7(1-4), 1933: 8(1-4), 1934: 9(1-4), 1935: 10(1-4), 1936: 11(1-4), 1937: 12(1-4), 1938: 13(1-4), 1939: 14(1-4), 1940: 15(1-4), 1941: 16(1-4), 1942: 17(1-4), 1943: 18(1-4), 1944: 19(1-4), 1945: 20(1-4), 1946: 21(1-4), 1947: 22(1-4), 1948: 23(1-4), 1949: 24(1-4), 1950: 25(1-4), 1951: 26(1-4), 1952: 27(1-4), 1953: 28(1-4), 1954: 29(1-4), 1955: 30(1-4), 1956: 31(1-4), 1957: 32(1-4), 1958: 33(1-4), 1959: 34(1-4), 1960: 35(1-4), 1961: 36(1-4), 1962: 37(1-4), 1963: 38(1-4), 1964: 39(1-4), 1965: 40(1-4), 1966: 41(1-4), 1967: 42(1-4), 1968: 43(1-4), 1969: 44(1-4), 1970: 45(1-4), 1971: 46(1-4), 1972: 47(1-4), 1973: 48(1-4), 1974: 49(1-4), 1975: 50(1-4), 1976: 51(1-4), 1977: 52(1-4), 1978: 53(1-4), 1979: 54(1-4), 1980: 55(1-4), 1981: 56(1-4), 1982: 57(1-4), 1983: 58(1-4), 1984: 59(1-4), 1985: 60(1-4), 1986: 61(1-4), 1987: 62(1-4), 1988: 63(1-4), 1989: 64(1-4), 1990: 65(1-4), 1991: 66(1-4), 1992: 67(1-4), 1993: 68(1-4), 1994: 69(1-4), 1995: 70(1-4), 1996: 71(1-4), 1997: 72(1-4), 1998: 73(1-4), 1999: 74(1-4), 2000: 75(1-4), 2001: 76(1-4), 2002: 77(1-4), 2003: 78(1-4), 2004: 79(1-4), 2005: 80(1-4), 2006: 81(1-4), 2007: 82(1-4), 2008: 83(1-4), 2009: 84(1-4), 2010: 85(1-4), 2011: 86(1-4), 2012: 87(1-4), 2013: 88(1-4), 2014: 89(1-4), 2015: 90(1-4), 2016: 91(1-4), 2017: 92(1-4), 2018: 93(1-4), 2019: 94(1-6), 2020: 95(1-6), 2021: 96(1-6), 2022: 97(1-6), 2023: 98(1-6), 2024: 99(1-6), 2025: 100(1-6), 2026: 101(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 : 1 (1 to 5); 8 (1 to 4); 9 (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 4); 81 (1 to 4); 82 (1 to 4); 83 (1 to 4); 84 (1 to 4); 85 (1 to 4); 86 (1 to 4); 87 (1 to 4); 88 (1 to 4); 89 (1 to 4); 91 (1 to 4); 92 (1 to 4); 93 (1 to 4); 94 (1 to 6); 95 (1 to 6); 96 (1 to 6); 97 (1 to 6); 98 (1 to 6); 99 (1 to 6)
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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 5); 8 (1 to 4); 9 (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 4); 81 (1 to 4); 82 (1 to 4); 83 (1 to 4); 84 (1 to 4); 85 (1 to 4); 86 (1 to 4); 87 (1 to 4); 88 (1 to 4); 89 (1 to 4); 91 (1 to 4); 92 (1 to 4); 93 (1 to 4); 94 (1 to 6); 95 (1 to 6); 96 (1 to 6); 97 (1 to 6); 98 (1 to 6); 99 (1 to 6)
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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 : 82 (1-4)
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