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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (2 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, 2, 3‐4); 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, 2, 3‐4); 60 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 83 (2); 92 (3-4); 93 (1, 2, 3-4); 94 (1 to 4); 95 (1 to 4); 96 (1 to 4); 97 (1 to 4); 98 (1, 2-3, 4); 99 (1 to 4); 100 (1, 2-3, 4); 101 (1 to 4); 102 (1, 2, 3-4); 103 (1 to 4); 104 (1-2, 3, 4); 105 (1 to 4); 106 (1 to 4); 107 (1 to 4); 108 (1 to 4); 109 (1-2, 3, 4); 110 (1 to 4); 111 (1 to 4); 112 (1 to 4); 113 (1-2, 3, 4); 114 (1-2, 3-4); 115 (1 to 3)
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Internet Archive
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Preserved
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2025-08-08
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10 to 104
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HathiTrust
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Preserved
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2025-11-01
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v.1 1911; v.2 1912; v.3 1913; v.4 1914; v.5 no.2 1915; v.6 1916; v.7 1917; v.8 1918; v.9 1919; v.10 1920; v.11 1921; v.12 1922; v.13 1923; v.14 1924; v.15 1925; v.16 1926; v.17 1927; v.6-7 (1916-1917); v.10-11 (1920-1921); v.14-15 (1924-1925)
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.100:1-1,4,2-3;vol.101:1-4;vol.102:1-2,3-4;vol.103:1-4;vol.104:3-4,1-2;vol.105:1-4;vol.106:1-4;vol.107:1-4;vol.108:1-4;vol.109:3-4,1-2;vol.110:1-4;vol.87:1-2,3-4;vol.88:1-2,3-4;vol.89:1-2,3-4;vol.90:1-2,3-4;vol.91:1-2,3-4;vol.92:1-2,3-4;vol.93:1-2,3-4;vol.94:1-4;vol.95:1-4;vol.96:1-4;vol.97:1-4;vol.98:1-1,4,2-3;vol.99:1-4
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Portico
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Preserved
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2026-04-16
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Preserved : 1911: 1(1-4), 1912: 2(1-4), 1913: 3(1-4), 1914: 4(1-4), 1915: 5(1-4), 1916: 6(1-4), 1917: 7(1-4), 1918: 8(1-4), 1919: 9(1-4), 1919/1920: 10(1-4), 1921: 11(1-4), 1922: 12(1-4), 1923: 13(1-4), 1924: 14(1-4), 1925: 15(1-4), 1926: 16(1-4), 1927: 17(1-4), 1928: 18(1-4), 1929: 19(1-4), 1930: 20(1-4), 1931: 21(1-4), 1932: 22(1-4), 1933: 23(1-4), 1934: 24(1-4), 1935: 25(1-4), 1936: 26(1-4), 1937: 27(1-4), 1938: 28(1-4), 1939: 29(1-4), 1940: 30(1-4), 1941: 31(1-4), 1942: 32(1-4), 1943: 33(1-4), 1944: 34(1-4), 1945: 35(1-4), 1946: 36(1-4), 1947: 37(1-4), 1948: 38(1-4), 1949: 39(1-4), 1950: 40(1-4), 1951: 41(1-4), 1952: 42(1-4), 1953: 43(1-4), 1954: 44(1-4), 1955: 45(1-4), 1956: 46(1-4), 1957: 47(1-4), 1958: 48(1-4), 1959: 49(1-4), 1960: 50(1-4), 1961: 51(1-4), 1962: 52(1-4), 1963: 53(1-4), 1964: 54(1-4), 1965: 55(1-4), 1966: 56(1-4), 1967: 57(1-4), 1968: 58(1-4), 1969: 59(1-4), 1970: 60(1-4), 1971: 61(1-4), 1972: 62(1-4), 1973: 63(1-4), 1974: 64(1-4), 1975: 65(1-4), 1976: 66(1-4), 1977: 67(1-4), 1978: 68(1-4), 1979: 69(1-4), 1980: 70(1-4), 1981: 71(1-4), 1982: 72(1-4), 1983: 73(1-4), 1984: 74(1-4), 1985: 75(1-4), 1986: 76(1-4), 1987: 77(1-4), 1988: 78(1-4), 1989: 79(1-4), 1990: 80(1-4), 1991: 81(1-4), 1992: 82(1-4), 1993: 83(1-4), 1994: 84(1-4), 1995: 85(1-4), 1996: 86(1-4), 1997: 87(1-4), 1998: 88(1-2), 1999: 89(1-2)
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CLOCKSS Archive
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Preserved
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2026-04-13
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6, 54, 81 to 115
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Portico
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Preserved
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2026-04-16
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Preserved : 2003: 93(1-2), 2004: 94(1-4), 2005: 95(1-4), 2006: 96(1-4), 2007: 97(1-4), 2008: 98(1-4), 2009: 99(1-4), 2010: 100(1-4), 2011: 101(1-4), 2012: 102(1-4), 2013: 103(1-4), 2014: 104(1-4), 2015: 105(1-4), 2016: 106(1-4), 2017: 107(1-4), 2018: 108(1-4), 2019: 109(1-4), 2020: 110(1-4), 2021: 111(1-4), 2022: 112(1-4), 2023: 113(1-4), 2024: 114(1-4), 2025: 115(1-3)
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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 : 96 (1-4); 97 (1-4)
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