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Internet Archive
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Preserved
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2025-08-08
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1 to 114
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 81 (9 to 12); 82 (, 1 to 12); 83 (, 1 to 12); 84 (, 1 to 12); 85 (, 1 to 12); 86 (, 1 to 12); 87 (, 1 to 11); 88 (, 1 to 12); 89 (, 1 to 12); 90 (, 1 to 5, 7 to 12); 91 (, 6); 92 (, 1 to 5); 99 (, 5, 9, 11); 108 (, 6); 117 (, 4); 119 (, 3, 7); 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1999; 2008; 2017; 2019
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HathiTrust
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Preserved
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2025-11-01
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v.01 yr.1901; v.02 yr.1902; v.03 yr.1903; v.04 yr.1904; v.19 (1919-1920); v.21 (1921-1922); v.7 (1907-1908); v.15 (1915-1916); v.11 (1911-1912); v.6 (1906-1907); v.9 (1909-1910); v.4 (1904-1905); v.3 (1903-1904); v.1-2 (1901-1903); v.16 (1916-1917); v.17 (1917-1918); v.13 (1913-1914); v.20 (1920-1921); v.5 (1905-1906); v.18 (1918-1919); v.5 1905-06; v.6 1906-07; v.7 1907-08; v.8 1908-09; v.9 1909-10; v.10 1910-11; v.11 1911-12; v.12 1912-13; v.13 1913-14; v.14 1914-15; v.15 1915-16; v.16 1916-17; v.17 1917-18; v.18 1918-19; v.19 1919-20; v.20 1920-21
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LOCKSS Archive
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Preserved
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2026-02-09
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50 to 58, 65 to 112
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Portico
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Preserved
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2026-02-12
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Preserved : 1981: 81(9-12), 1982: 82(1-12, S), 1983: 83(1-12, S), 1984: 84(1-12), 1985: 85(1-12), 1986: 86(1-12), 1987: 87(1-11), 1988: 88(1-12), 1989: 89(1-12), 1990/1991: 90(1-12, S), 1991: 91(S 1, 6), 1992: 92(1, S 1, 2-5)
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Portico
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Preserved
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2026-02-12
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Preserved : 1999: 99(5, 9, 11)
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Portico
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Preserved
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2026-02-12
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Preserved : 2008: 108(6)
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Portico
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Preserved
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2026-02-12
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Preserved : 2017: 117(4)
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Portico
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Preserved
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2026-02-12
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Preserved : 2019: 119(3, 7)
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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 : 9 (Supplement, 1 to 5, 7 to 9, 11, 12); 18 (6); 81 (1, 9, 11, 12); 82 (Supplement, 1 to 9, 11, 12); 83 (Supplement, 1 to 9, 11, 12); 84 (1 to 9, 11, 12); 85 (1 to 9, 11, 12); 86 (1 to 9, 11, 12); 87 (1 to 9, 11); 88 (1 to 9, 11, 12); 89 (1 to 9, 11, 12); 91 (s1, 6); 92 (s1, 1 to 5); 99 (9, 11); 117 (4); 119 (3, 7)
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