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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); 2 (, 1); 3 (, 1); 4 (, 1); 5 (, 1); 7 (, 1); 8 (, 1); 9 (, 1); 10 (, 1); 11 (, 1); 12 (, 1); 13 (, 1); 14 (, 1); 15 (, 1); 16 (, 1); 17 (, 1); 18 (, 1); 19 (, 1); 20 (, 1); 21 (, 1); 22 (, 1); 23 (, 1); 24 (, 1); 25 (, 1); 26 (, 1); 27 (, 1); 28 (, 1); 29 (, 1); 30 (, 1); 31 (, 1); 32 (, 1); 33 (, 1); 34 (, 1); 35 (, 1); 36 (, 1); 37 (, 1); 39 (, 1); 40 (, 1); 41 (, 1); 42 (, 1); 43 (, 1); 44 (, 1 to 3); 45 (, 1, 3); 46 (, 1 to 3); 47 (, 1, 3); 48 (, 1 to 4); 49 (, 1 to 3); 50 (, 1); 51 (, 1); 52 (, 1); 53 (, 1); 54 (, 1); 55 (, 1); 56 (, 1); 57 (, 1); 58 (, 1); 59 (, 1); 60 (, 1); 61 (, 1); 62 (, 1); 63 (, 1); 64 (, 1); 65 (, 1); 66 (, 1); 67 (, 1); 68 (, 1); 69 (, 1); 70 (, 1); 71 (, 1); 72 (, 1); 73 (, 1); 74 (, 1); 75 (, 1); 76 (, 1); 77 (, 1); 78 (, 1); 79 (, 1); 80 (, 1); 81 (, 1); 82 (, 1); 83 (, 1); 84 (, 1); 85 (, 1); 86 (, 1); 87 (, 1); 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 4); 95 (, 1 to 4); 96 (, 1 to 4); 97 (, 1 to 4); 98 (, 1 to 4); 99 (, 1 to 4); 100 (, 1 to 4); 101 (, 1 to 4); 102 (, 1 to 4); 103 (, 1 to 4); 104 (, 1 to 4); 105 (, 1 to 6); 106 (, 1 to 6); 107 (, 1 to 6); 108 (, 1 to 6); 114 (, 1 to 6); 115 (, 1 to 6); 116 (, 1 to 6); 117 (, 1 to 6); 118 (, 1 to 6); 119 (, 1 to 6); 120 (, 1 to 6); 121 (, 1 to 6); 122 (, 1 to 6); 123 (, 1 to 6); 124 (, 1 to 6); 125 (, 1 to 6); 126 (, 1 to 6); 127 (, 1 to 6); 128 (, 1 to 6); 129 (, 1 to 6); 130 (, 1 to 6); 131 (, 1 to 6); 132 (, 1 to 6); 133 (, 1 to 6); 134 (, 1 to 6); 135 (, 1 to 6); 136 (, 1 to 6); 137 (, 1 to 6); 138 (, 1 to 6); 139 (, 1 to 6); 140 (, 1 to 6); 141 (, 1, 2, 5, 6); 142 (, 1 to 6); 143 (, 1 to 6); 144 (, 1 to 6); 145 (, 3 to 6); 146 (, 1 to 5); 1872; 1873; 1874; 1875; 1876; 1878; 1879; 1880; 1881; 1882; 1883; 1884; 1885; 1886; 1887; 1888; 1889; 1890; 1891; 1892; 1893; 1894; 1896; 1897; 1898; 1899; 1900; 1901; 1902; 1903; 1904; 1905; 1906; 1907; 1908; 1910; 1911; 1912; 1913; 1914; 1915; 1916; 1917; 1918; 1919; 1920; 1921; 1922; 1923; 1924; 1925; 1926; 1927; 1928; 1929; 1930; 1931; 1932; 1933; 1934; 1935; 1937; 1938; 1939; 1940; 1941; 1942; 1943; 1945; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955; 1957; 1958; 1959; 1960; 1961; 1962; 1963; 1964; 1965; 1966; 1967; 1968; 1969; 1970; 1971; 1972; 1973; 1974; 1975; 1976; 1977; 1978; 1979; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017
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Internet Archive
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Preserved
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2025-08-08
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1 to 75
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HathiTrust
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Preserved
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2025-11-01
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v.19 1890; 1903; 1913; v.50 1920-21; v.15-20 (1886-1891); v.14-20 1885-1891; v.14-20 1885-91
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HathiTrust
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Preserved
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2025-11-01
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v.42-43(1912-1913); v.36-37,39(1907-1909); v.46-47(1916-1918); v.40(1910); v.41(1911); v.44-45(1914-1916); v.48-49(1918-1920); v.50-51(1920-1921); v.47(1917/1918); v.45(1915/1916); v.50(1920); v.46(1916/1917); v.35 (1906); v.39 (1909); v.41 1911; v.42 1912; v.45 1915-1916; v.44 1914-1915; v.43 1913; v.37 1908; v.39 1909; v.36 1907; Index v.1-58 1872-1928; v.40 1910; v.29 1900; v.30 1901; v.35 1906; v.34 1905; v.33 1904; v.31 1902; v.55 1925; v.57 1927; v.50 1920; v.51 1921; v.54 1924; v.53 1923; v.52 1922; v.59 1929; v.56 1926; v.58 1928; v.46 1916; v.47 1917; v.48 1918-1919; v.49 1919-1920; c.1 v.57-58 1927-28; c.1 v.46-48 1916-19; v.35-37,39 (1906-09); v.44 (1914-Sept 1915); v.45 (Dec 1915-Sept 1916); v.46 (Dec 1916-Sept 1917); v.47 (Dec 1917-Sept 1918); v.48 (Dec 1918-Sept 1919); v.49 Dec. 1919-Sept. 1920; v.41-43 1911-1913; v.35-39 1906-1909; v.24-27(1895-1898); v.9-13(1880-1884); v.1-8(1872-1879)
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Portico
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Preserved
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2026-02-12
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Preserved : 1872: 1(1), 1873: 2(1), 1874: 3(1), 1875: 4(1), 1876: 5(1), 1877: 6(1), 1878: 7(1), 1879: 8(1), 1880: 9(1), 1881: 10(1), 1882: 11(1), 1883: 12(1), 1884: 13(1), 1885: 14(1), 1886: 15(1), 1887: 16(1), 1888: 17(1), 1889: 18(1), 1890: 19(1), 1891: 20(1), 1892: 21(1), 1893: 22(1), 1894: 23(1), 1896: 24(1), 1897: 25(1), 1897: 26(1), 1898: 27(1), 1899: 28(1), 1900: 29(1), 1901: 30(1), 1902: 31(1), 1903: 32(1), 1904: 33(1), 1905: 34(1), 1906: 35(1), 1907: 36(1), 1908: 37(1)
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 37, 39 to 153
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Portico
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Preserved
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2026-02-12
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Preserved : 1910: 39(1), 1911: 40(1), 1912: 41(1), 1913: 42(1), 1914: 43(1), 1914/1915: 44(1-4), 1916: 45(1, 3-4), 1916/1917: 46(1-4), 1917/1918: 47(1-4), 1918/1919: 48(1-4), 1919/1920: 49(1-4), 1921: 50(1), 1922: 51(1), 1923: 52(1), 1923: 53(1), 1924: 54(1), 1925: 55(1), 1926: 56(1), 1927: 57(1), 1928: 58(1), 1929: 59(1), 1930: 60(1), 1931: 61(1), 1932: 62(1), 1933: 63(1), 1934: 64(1), 1935: 65(1), 1937: 66(1), 1938: 67(1), 1939: 68(1), 1940: 69(1), 1941: 70(1), 1942: 71(1), 1943: 72(1), 1945: 73(1), 1947: 74(1), 1948: 75(1), 1949: 76(1), 1949: 77(1), 1950: 78(1), 1950: 79(1), 1951: 80(1), 1952: 81(1), 1953: 82(1), 1954: 83(1), 1955: 84(1), 1957: 85(1), 1957: 86(1), 1958: 87(1), 1959: 88(1-4), 1960: 89(1-4), 1961: 90(1-4), 1962: 91(1-4), 1963: 92(1-4), 1964: 93(1-4), 1965: 94(1-4), 1966: 95(1-4), 1967: 96(1-4), 1968: 97(1-4), 1969: 98(1-4), 1970: 99(1-4), 1971: 100(1-4), 1972: 101(1-4), 1973: 102(1-4), 1974: 103(1-4), 1975: 104(1-4), 1976: 105(1-6), 1977: 106(1-6), 1978: 107(1-6), 1979: 108(1-6), 1980: 109(1-6), 1981: 110(1-6), 1982: 111(1-6), 1983: 112(1, 2, A, 2, B, 3-6), 1984: 113(1-6), 1985: 114(1-6), 1986: 115(1-6), 1987: 116(1-6), 1988: 117(1-6), 1989: 118(1-6), 1990: 119(1-6), 1991: 120(1-6), 1992: 121(1-6), 1993: 122(1-6), 1994: 123(1-6), 1995: 124(1-6), 1996: 125(1-6), 1997: 126(1-6), 1998: 127(1-6), 1999: 128(1-6), 2000: 129(1-6), 2001: 130(1-6), 2002: 131(1-6), 2003: 132(1-6), 2004: 133(1-6), 2005: 134(1-6), 2006: 135(1-6), 2007: 136(1-6), 2008: 137(1-6), 2009: 138(1-6), 2010: 139(1-6), 2011: 140(1-6), 2012: 141(1-6), 2013: 142(1-6), 2014: 143(1-6), 2015: 144(1-6), 2016: 145(1-6), 2017: 146(1-6), 2018: 147(1-6), 2019: 148(1-6), 2020: 149(1-6), 2021: 150(1-6), 2022: 151(1-6), 2023: 152(1-6), 2024: 153(1-6)
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LOCKSS Archive
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Preserved
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2026-02-09
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137 to 153
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CLOCKSS Archive
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In Progress
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2026-02-09
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137 to 154
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Portico
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Preserved
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2026-02-12
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Preserved : 2022: 151(6)
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LOCKSS Archive
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In Progress
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2026-02-09
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154
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Portico
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Preserved
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2026-02-12
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Preserved : 2025: 154(1-6), 2026: 155(1)
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 146
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.126:1-6;vol.127:1-6;vol.128:1-6;vol.129:1-6;vol.130:1-6;vol.131:1-6;vol.132:1-6;vol.133:1-6;vol.134:1-6;vol.135:1-6;vol.136:1-6;vol.137:1-6;vol.138:1-6;vol.139:1-6;vol.140:1-6;vol.141:1-6;vol.142:1-6;vol.143:1-6;vol.144:1-6;vol.145:1-6;vol.146:1-6;vol.147:1-6;vol.148:1-6;vol.149:1-6
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CLOCKSS Archive
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Preserved
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2026-02-09
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137 to 144, 146
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Portico
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Preserved
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2026-02-12
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Preserved : 1872: 1(1), 1873: 2(1), 1874: 3(1), 1875: 4(1), 1876: 5(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1877: 6(1), 1878: 7(1), 1879: 8(1), 1880: 9(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1881: 10(1), 1882: 11(1), 1883: 12(1), 1884: 13(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1885: 14(1), 1886: 15(1), 1887: 16(1), 1888: 17(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1889: 18(1), 1890: 19(1), 1891: 20(1), 1892: 21(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1893: 22(1), 1894: 23(1), 1896: 24(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1897: 25(1), 1897: 26(1), 1898: 27(1), 1899: 28(1), 1900: 29(1), 1901: 30(1), 1902: 31(1), 1903: 32(1), 1904: 33(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1905: 34(1), 1906: 35(1), 1907: 36(1), 1908: 37(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1910: 39(1), 1911: 40(1), 1912: 41(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1913: 42(1), 1914: 43(1), 1914/1915: 44(1-4), 1916: 45(1, 3), 1916/1917: 46(1-3), 1917/1918: 47(1-3), 1918/1919: 48(1-3), 1919: 49(1), 1921: 50(1), 1922: 51(1), 1923: 52(1), 1923: 53(1), 1924: 54(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1925: 55(1), 1926: 56(1), 1927: 57(1), 1928: 58(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1929: 59(1), 1930: 60(1), 1931: 61(1), 1932: 62(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1933: 63(1), 1934: 64(1), 1935: 65(1), 1937: 66(1), 1938: 67(1), 1939: 68(1), 1940: 69(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1941: 70(1), 1942: 71(1), 1943: 72(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1945: 73(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1947: 74(1), 1948: 75(1), 1949: 76(1), 1949: 77(1), 1950: 78(1), 1950: 79(1), 1951: 80(1), 1952: 81(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1953: 82(1), 1954: 83(1), 1955: 84(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1957: 85(1), 1957: 86(1), 1958: 87(1), 1959: 88(1-4), 1960: 89(1-4), 1961: 90(1-4), 1962: 91(1-4), 1963: 92(1-4), 1964: 93(1-4), 1965: 94(1-4), 1966: 95(1-4), 1967: 96(1-4), 1968: 97(1-4), 1969: 98(1-4), 1970: 99(1-4), 1971: 100(1-4), 1972: 101(1-4), 1973: 102(1-4), 1974: 103(1-4), 1975: 104(1-4), 1976: 105(1-3), 1977: 106(1-3), 1978: 107(1-6), 1979: 108(1-6), 1980: 109(1-3), 1981: 110(1-3), 1982: 111(1-6), 1983: 112(1, 2, A, 2, B, 2, a, 3, 5), 1984: 113(1-5), 1985: 114(1-5), 1986: 115(1-5), 1987: 116(1-6), 1988: 117(1-6), 1989: 118(1-6), 1990: 119(1-6), 1991: 120(1-6), 1992: 121(1-6), 1993: 122(1-6), 1994: 123(1-6), 1995: 124(1-6), 1996: 125(1-6), 1997: 126(1-6), 1998: 127(1-6), 1999: 128(1-6), 2000: 129(1-6), 2001: 130(1-6), 2002: 131(1-6), 2003: 132(1-6), 2004: 133(1-6), 2005: 134(1-6), 2006: 135(1-6), 2007: 136(1-6), 2008: 137(1-6), 2009: 138(1-6), 2010: 139(1-6), 2011: 140(1-6), 2012: 141(1-6), 2013: 142(1-6), 2014: 143(1-6), 2015: 144(1-6), 2016: 145(1-6), 2017: 146(1-6)
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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 : 151; 154 (1 to 5)
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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 : 154 (1 to 4)
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