Scholars Portal
1865-2025
Preserved
2025-09-02
Preserved : 1-2; 2 (1 to 7); 3 (, 2 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); 62 (, 1 to 4); 63 (, 1 to 4); 64 (, 1 to 4); 65 (, 1 to 4); 66 (, 1 to 4); 67 (, 1 to 4); 68 (, 1 to 4); 69 (, 1 to 4); 70 (, 1 to 4); 71 (, 1 to 4); 72 (, 1 to 4); 73 (, 1 to 4); 74 (, 1, 2); 75 (, 1, 2); 76 (, 1, 2); 77 (, 1, 2); 78 (, 1, 2); 79 (, 1, 2); 80 (, 1, 2); 81 (, 1, 2); 82 (, 1, 2); 83 (, 1, 2); 84 (, 1, 2); 85 (, 1, 2); 86 (, 1, 2); 87 (, 1, 2); 88 (, 1, 2); 89 (, 1, 2); 90 (, 1, 2); 91 (, 1, 2); 92 (, 1, 2); 93 (, 1, 2); 94 (, 1, 2); 95 (, 1, 2); 96 (, 1, 2); 97 (, 1, 2); 98 (, 1, 2); 99 (, 1, 2); 100 (, 1, 2); 101 (, 1, 2); 102 (, 1, 2); 103 (, 1, 2); 104 (, 1, 2); 105 (, 1, 2); 106 (, 1, 2); 107 (, 1, 2); 108 (, 1, 2); 109 (, 1, 2); 110 (, 1, 2); 111 (, 1, 2); 112 (, 1, 2); 113 (, 1, 2); 114 (, 1, 2); 115 (, 1, 2); 116 (, 1, 2); 117 (, 1, 2); 118 (, 1, 2); 119 (, 1, 2); 120 (, 1, 2); 121 (, 1, 2); 122 (, 1, 2); 123 (, 1, 2); 124 (, 1, 2); 125 (, 1, 2); 126 (, 1, 2); 127 (, 1, 2); 128 (, 1, 2); 129 (, 1, 2); 130 (, 1, 2); 131 (, 1, 2); 132 (, 1, 2); 133 (, 1, 2); 134 (, 1, 2); 135 (, 1, 2); 136 (, 1, 2); 137 (, 1, 2); 138 (, 1, 2); 139 (, 1 to 3); 140 (, 1 to 3); 141 (, 1 to 3); 142 (, 1 to 3); 143 (, 1 to 3); 144 (, 1 to 3); 145 (, 1 to 4); 146 (, 1 to 4); 147 (, 1 to 4); 148 (, 1 to 4); 149 (, 1 to 3); 150 (, 1 to 4); 151 (, 1, 2, 3-4); 152 (, 1 to 4); 153 (, 1 to 4); 154 (, 1 to 4); 155 (, 1 to 4); 156 (, 1 to 4); 157 (, 1, 2); 1865; 1869; 1871; 1872; 1873; 1874; 1875; 1876; 1877; 1878; 1879; 1880; 1881; 1882; 1883; 1884; 1885; 1886; 1887; 1888; 1889; 1890; 1891; 1892; 1893; 1894; 1895; 1896; 1897; 1898; 1899; 1900; 1901; 1902; 1903; 1904; 1905; 1906; 1907; 1908; 1909; 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; 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; 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; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
Internet Archive
-
Preserved
2025-08-08
HathiTrust
1869-1898
Preserved
2025-11-01
1872; 1873; 1877; 1878; 1879; 1881; 1882; 1883; 1884; 1885; 1886; 1887; 1888; 1889; 1891; 1892; 1898; v.1 (1869-1870); 1874; 1875-1876; 1880; 1890; 1893 & Index (1869-1892); 1895
LOCKSS Archive
2010-2012
Preserved
2026-02-09
142 to 144
CLOCKSS Archive
2010-2015
Preserved
2026-02-09
142 to 147
Portico
1869-1869
Preserved
2026-02-12
Preserved : 1865/1869: 1-2(1, S 1, 2-7)
Portico
1871-2015
Preserved
2026-02-12
Preserved : 1871: 3(2-4), 1872: 4(1-4), 1873: 5(1-4), 1874: 6(1-4), 1875: 7(1-4), 1876: 8(1-4), 1877: 9(1-4), 1878: 10(1-4), 1879: 11(1-4), 1880: 12(1-4), 1881: 13(1-4), 1882: 14(1-4), 1883: 15(1-4), 1884: 16(1-4), 1885: 17(1-4), 1886: 18(1-4), 1887: 19(1-4), 1888: 20(1-4), 1889: 21(1-4), 1890: 22(1-4), 1891: 23(1-4), 1892: 24(1-4), 1893: 25(1-4), 1894: 26(1-4), 1895: 27(1-4), 1896: 28(1-4), 1897: 29(1-4), 1898: 30(1-4), 1899: 31(1-4), 1900: 32(1-4), 1901: 33(1-4), 1902: 34(1-4), 1903: 35(1-4), 1904: 36(1-4), 1905: 37(1-4), 1906: 38(1-4), 1907: 39(1-4), 1908: 40(1-4), 1909: 41(1-4), 1910: 42(1-4), 1911: 43(1-4), 1912: 44(1-4), 1913: 45(1-4), 1914: 46(1-4), 1915: 47(1-4), 1916: 48(1-4), 1917: 49(1-4), 1918: 50(1-4), 1919: 51(1-4), 1920: 52(1-4), 1921: 53(1-4), 1922: 54(1-4), 1923: 55(1-4), 1924: 56(1-4), 1925: 57(1-4), 1926: 58(1-4), 1927: 59(1-4), 1928: 60(1-4), 1929: 61(1-4), 1930: 62(1-4), 1931: 63(1-4), 1932: 64(1-4), 1933: 65(1-4), 1934: 66(1-4), 1935: 67(1-4), 1936: 68(1-4), 1937: 69(1-4), 1938: 70(1-4), 1939: 71(1-4), 1940: 72(1-4), 1941: 73(1-4), 1942: 74(1-2), 1943: 75(1-2), 1944: 76(1-2), 1945: 77(1-2), 1946: 78(1-2), 1947: 79(1-2), 1948: 80(1-2), 1949: 81(1-2), 1950: 82(1-2), 1951: 83(1-2), 1952: 84(1-2), 1953: 85(1-2), 1954: 86(1-2), 1955: 87(1-2), 1956: 88(1-2), 1957: 89(1-2), 1958: 90(1-2), 1959: 91(1-2), 1960: 92(1-2), 1961: 93(1-2), 1962: 94(1-2), 1963: 95(1-2), 1964: 96(1-2), 1965: 97(1-2), 1966: 98(1-2), 1967: 99(1-2), 1968: 100(1-2), 1969: 101(1-2), 1970: 102(1-2), 1971: 103(1-2), 1972: 104(1-2), 1973: 105(1-2), 1974: 106(1-2), 1975: 107(1-2), 1976: 108(1-2), 1977: 109(1-2), 1978: 110(1-2), 1979: 111(1-2), 1980: 112(1-2), 1981: 113(1-2), 1982: 114(1-2), 1983: 115(1-2), 1984: 116(1-2), 1985: 117(1-2), 1986: 118(1-2), 1987: 119(1-2), 1988: 120(1-2), 1989: 121(1-2), 1990: 122(1-2), 1991: 123(1-2), 1992: 124(1-2), 1993: 125(1-2), 1994: 126(1-2), 1995: 127(1-2), 1996: 128(1-2), 1997: 129(1-2), 1998: 130(1-2), 1999: 131(1-2), 2000: 132(1-2), 2001: 133(1-2), 2002: 134(1-2), 2003: 135(1-2), 2004: 136(1-2), 2005: 137(1-2), 2006: 138(1-2), 2007: 139(1-3), 2008: 140(1-3), 2009: 141(1-3), 2010: 142(1-3), 2011: 143(1-3), 2012: 144(1-3), 2013: 145(1-4), 2014: 146(1-4), 2015: 147(1-4)
LOCKSS Archive
1865-2024
Preserved
2026-02-09
1 to 156
CLOCKSS Archive
1865-2025
Preserved
2026-02-09
ahead-of-print to 157
LOCKSS Archive
2025-2025
In Progress
2026-02-09
157
Portico
1876-1876
Preserved
2026-02-12
Preserved : 1876: 8(2, 4)
Portico
1981-2025
Preserved
2026-02-12
Preserved : 1981: 113(1-2), 1982: 114(1-2), 1983: 115(1-2), 1984: 116(1-2), 1985: 117(1-2), 1986: 118(1-2), 1987: 119(1-2), 1988: 120(1-2), 1989: 121(1-2), 1990: 122(1-2), 1991: 123(1-2), 1992: 124(1-2), 1993: 125(1-2), 1994: 126(1-2), 1995: 127(1-2), 1996: 128(1-2), 1997: 129(1-2), 1998: 130(1-2), 1999: 131(1-2), 2000: 132(1-2), 2001: 133(1-2), 2002: 134(1-2), 2003: 135(1-2), 2004: 136(1-2), 2005: 137(1-2), 2006: 138(1-2), 2007: 139(1-3), 2008: 140(1-3), 2009: 141(1-3), 2010: 142(1-3), 2011: 143(1-3), 2012: 144(1-3), 2013: 145(1-4), 2014: 146(1-4), 2015: 147(1-4), 2016: 148(1-4), 2017: 149(1-4), 2018: 150(1-4), 2019: 151(1-4), 2020: 152(1-4), 2021: 153(1-4), 2022: 154(1-4), 2023: 155(1-4), 2024: 156(1-4), 2025: 157(1-4)
National Digital Preservation Program, China
2017-2018
Preserved
2025-12-04
Preserved : 15 (1); 149 (2 to 4)
National Digital Preservation Program, China
2017-2018
Preserved
2025-12-04
Preserved : 15 (1); 149 (2 to 4)
National Digital Preservation Program, China
1997-2025
Preserved
2025-12-04
Preserved : 13 (1, 2); 14 (1 to 3); 15 (1 to 4); 129 (1, 2); 131 (1, 2); 132 (1, 2); 133 (1, 2); 134 (1, 2); 135 (1, 2); 136 (1, 2); 137 (1, 2); 138 (1, 2); 139 (1 to 3); 141 (1 to 3); 142 (1 to 3); 143 (1 to 3); 144 (1 to 3); 145 (1 to 4); 146 (1 to 4); 147 (1 to 4); 148 (1 to 4); 149 (1 to 4); 151 (1, 2, 3-4); 152 (1 to 4); 153 (1 to 4); 154 (1 to 4); 155 (1 to 4); 156 (1 to 4); 157 (1)
Library of Congress
2017-2024
Preserved
2025-04-07
149 (1 to 4); 150 (1 to 4); 151 (1 to 3-4); 152 (1 to 4); 153 (1 to 4); 154 (1 to 4); 155 (1 to 4); 156 (1 to 3)