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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 3); 25 (, 1 to 3); 26 (, 1 to 3); 27 (, 1 to 3); 28 (, 1 to 4); 29 (, 1 to 4); 30 (, 1 to 3); 31 (, 1 to 3); 32 (, 1 to 3); 33 (, 1 to 3); 34 (, 1 to 3); 35 (, 1 to 3); 36 (, 1 to 3); 37 (, 1 to 3); 38 (, 1 to 3); 39 (, 1 to 3); 40 (, 1 to 3); 41 (, 1 to 3); 42 (, 1 to 3); 43 (, 1 to 3); 44 (, 1 to 3); 45 (, 1 to 3); 46 (, 1 to 3); 47 (, 1 to 3); 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 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); 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); 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); 102 (, 1 to 4); 103 (, 1 to 4); 104 (, 1 to 4); 105 (, 1 to 4); 106 (, 1 to 4); 107 (, 1 to 4); 108 (, 1 to 4); 109 (, 1 to 4); 110 (, 1 to 4); 111 (, 1 to 4); 112 (, 1 to 4); 113 (, 1 to 4); 114 (, 1 to 4); 115 (, 1 to 4); 116 (, 1 to 4); 117 (, 2 to 4); 118 (, 1 to 4); 119 (, 1 to 4); 120 (, 1 to 4); 121 (, 1 to 4); 122 (, 1 to 4); 123 (, 1 to 4); 124 (, 1 to 4); 125 (, 1 to 4); 126 (, 1 to 4); 127 (, 1 to 4); 128 (, 1 to 4); 129 (, 1 to 4); 130 (, 1 to 4); 131 (, 1 to 4); 132 (, 1 to 4); 133 (, 1 to 4); 134 (, 1 to 4); 135 (, 1 to 4); 136 (, 1 to 4); 137 (, 1 to 4); 138 (, 1 to 4); 139 (, 1 to 4); 140 (, 1 to 4); 141 (, 1 to 4); 142 (, 1 to 4); 143 (, 1 to 4); 144 (, 1 to 4); 145 (, 1 to 4); 146 (, 1 to 4); 147 (, 1 to 4); 148 (, 2 to 4); 149 (, 1 to 4); 150 (, 1 to 4); 151 (, 1 to 4); 152 (, 1 to 4); 153 (, 1 to 4); 154 (, 1 to 4); 155 (, 1 to 4); 156 (, 1 to 4); 157 (, 1 to 4); 158 (, 1 to 4); 159 (, 1 to 4); 160 (, 1 to 4); 161 (, 1 to 4); 162 (, 1 to 4); 163 (, 1 to 4); 164 (, 1 to 4); 165 (, 1 to 4); 166 (, 1 to 4); 167 (, 1 to 4); 168 (, 1 to 4); 169 (, 1 to 4); 170 (, 1 to 4); 171 (, 1 to 4); 172 (, 1 to 4); 173 (, 1 to 4); 174 (, 1 to 4); 175 (, 1 to 4); 176 (, 1 to 4); 177 (, 2); 1919; 1921; 1922; 1923; 1924; 1925; 1927; 1929; 1930; 1931; 1932; 1934; 1935; 1936; 1937; 1938; 1939; 1941; 1942; 1943; 1944; 1945; 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; 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
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Internet Archive
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Preserved
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2025-08-08
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1 to 158
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HathiTrust
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Preserved
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2025-11-01
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v.3 (1920); v.4 (1921)
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HathiTrust
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Preserved
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2025-11-01
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v.1 (1918); v.3 (1920); v.5 (1922); v.2 (1919); v.4 (1921); v.2(1919); v.4(1921); v.5(1922); v.3(1920); v.5 1921; v.2 (1919); v.1 (1918); v.6 (1923); v.5 (1922); v.4 (1921); v.3 (1920); v.7 (1924); v.8 (1925); v.9 (1926); v.4:3 (1921); v.10 1927; v.6 1923; v.2 1919; v.4 1921; v.9 1926; v.1 1918; v.2 1919; v.3 1920; v.4 1921; v.5 1922; v.6 1923; v.7 1924; v.8 1925; v.9 1926; v.10 1927; v.11 1927-1928; v.12 1928; v.13 1929
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CLOCKSS Archive
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Preserved
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2026-02-09
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1, 4, 7, 9, 23, 26, 34 to 38, 84 to 176
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Portico
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Preserved
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2026-02-12
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Preserved : 1918/1943: 1(1-4), 1919: 2(1-4), 1920/1945: 3(1-4), 1921/1946: 4(1-4), 1922/1947: 5(1-4), 1948: 6(1-4), 1924/1949: 7(1-4), 1925/1950: 8(1-4), 1926/1951: 9(1-4), 1927/1952: 10(1-4), 1927/1953: 11(1-4), 1929/1954: 12(1-4), 1955: 13(1-4), 1930/1956: 14(1-4), 1931/1957: 15(1-4), 1931/1932/1958: 16(1-4), 1932/1933/1959: 17(1-4), 1960: 18(1-4), 1961: 19(1-4), 1935/1962: 20(1-4), 1936/1963: 21(1-4), 1964: 22(1-4), 1965/1980: 23(1, S 1, 2-4), 1966/1981: 24(1-2, S 2, 3), 1966/1982: 25(1-3, S 3), 1967/1983: 26(1, S 1, 2-3), 1967/1984: 27(1-3, S 5), 1941/1968/1985: 28(1-4, S 6), 1942/1968/1986: 29(1-4, S 7), 1969/1987: 30(1-3, S 8), 1969/1988: 31(1-3, S 9), 1970/1989: 32(1-3, S 10), 1970/1990: 33(1-3, S 11), 1971/1991: 34(1-3, S 12, S 13), 1971/1992: 35(1-3, S 14, S 15), 1972/1993: 36(1-3, S 16, S 17), 1972/1994: 37(1-3, S 18, S 19), 1973/1995: 38(1-3, S 20, S 21), 1973: 39(1-3), 1974: 40(1-3), 1974: 41(1-3), 1975: 42(1-3), 1975: 43(1-3), 1976: 44(1-3), 1976: 45(1-3), 1977: 46(1-3), 1977: 47(1-3), 1978: 48(1-4), 1978: 49(1-4), 1979: 50(1-4), 1979: 51(1-4), 1980: 52(1-4), 1980: 53(1-4), 1981: 54(1-4), 1981: 55(1-4), 1981: 56(1-4), 1982: 57(1-4), 1982: 58(1-4), 1982: 59(1-4), 1983: 60(1-4), 1983: 61(1-4), 1983: 62(1-4), 1984: 63(1-4), 1984: 64(1-4), 1984: 65(1-4), 1985: 66(1-4), 1985: 67(1-4), 1985: 68(1-4), 1986: 69(1-4), 1986: 70(1-4), 1986: 71(1-4), 1987: 72(1-4), 1987: 73(1-4), 1987: 74(1-4), 1988: 75(1-4), 1988: 76(1-4), 1988: 77(1-4), 1989: 78(1-4), 1989: 79(1-4), 1989: 80(1-4), 1990: 81(1-4), 1990: 82(1-4), 1990: 83(1-4), 1991: 84(1-4), 1991: 85(1-4), 1991: 86(1-4), 1992: 87(1-4), 1992: 88(1-4), 1992: 89(1-4), 1993: 90(1-4), 1993: 91(1-4), 1993: 92(1-4), 1994: 93(1-4), 1994: 94(1-4), 1994: 95(1-4), 1995: 96(1-4), 1995: 97(1-4), 1995: 98(1-4), 1996: 99(1-4), 1996: 100(1-4), 1996: 101(1-4, S 23), 1997: 102(1-4), 1997: 103(1-4), 1997: 104(1-4, S 24, S 25), 1998: 105(1-4, S 26), 1998: 106(1-4), 1998: 107(1-4, S 27), 1999: 108(1-4, S 28), 1999: 109(1-4), 1999: 110(1-4, S 29), 2000: 111(1-4, S 30), 2000: 112(1-4), 2000: 113(1-4, S 31), 2001: 114(1-4, S 32), 2001: 115(1-4), 2001: 116(1-4, S 33), 2002: 117(1-4, S 34), 2002: 118(1-4), 2002: 119(1-4, S 35), 2003: 120(1-4, S 36, 36), 2003: 121(1-4), 2003: 122(1-4, S 37), 2004: 123(1-4, S 38), 2004: 124(1-4), 2004: 125(1-4, S 39), 2005: 126(1-4, S 40), 2005: 127(1-4), 2005: 128(1-4, S 41), 2006: 129(1-4, S 42), 2006: 130(1-4), 2006: 131(1-4, S 43), 2007: 132(1-4, S 44), 2007: 133(1-4), 2007: 134(1-4, S 45), 2008: 135(1-4, S 46), 2008: 136(1-4), 2008: 137(1-4, S 47), 2009: 138(1-4, S 48), 2009: 139(1-4), 2009: 140(1-4, S 49), 2010: 141(1-4, S 50), 2010: 142(1-4), 2010: 143(1-4), 2011: 144(1-4), 2011: 145(1-4), 2011: 146(1-4), 2012: 147(1-4, S 54), 2012: 148(1-4), 2012: 149(1-4, S 55), 2013: 150(1-4, S 56), 2013: 151(1-4), 2013: 152(1-4, S57), 2014: 153(1-4, S 58), 2014: 154(1-4), 2014: 155(1-4), 2015: 156(1-4, S59, S60), 2015: 157(1-4), 2015: 158(1-4), 2016: 159(1-4, S 61, S62), 2016: 160(1-4), 2016: 161(1-4), 2017: 162(1-4, S63, S64), 2017: 163(1-4), 2017: 164(1-4), 2018: 165(1-4, S65, S66), 2018: 166(1-4), 2018: 167(1-4), 2019: 168(1-4, S67, S 68), 2019: 169(1-4), 2019: 170(1-4), 2020: 171(1-4, S69, S70), 2020: 172(1-4), 2020: 173(1-4), 2021: 174(1-4, S71), 2021: 175(1-4, S72), 2021: 176(1-4), 2022: 177(2)
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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 4); 11 (S23, 1 to 4); 12 (S36, 1 to 4); 13 (1 to 4); 14 (S25, 1 to 4); 15 (S26, 1 to 4); 16 (1 to 4); 17 (S27, 1 to 4); 18 (S28, 1 to 4); 19 (1 to 4); 99 (1 to 4); 111 (S3, 1 to 4); 112 (1 to 4); 113 (S31, 1 to 4); 114 (S32, 1 to 4); 115 (1 to 4); 116 (S33, 1 to 4); 117 (S34, 1 to 4); 118 (1 to 4); 119 (S35, 1 to 4); 121 (1 to 4); 122 (S37, 1 to 4); 123 (S38, 1 to 4); 124 (1 to 4); 125 (S39, 1 to 4); 126 (S4, 1 to 4); 127 (1 to 4); 128 (S41, 1 to 4); 129 (S42, 1 to 4); 131 (S43, 1 to 4); 132 (S44, 1 to 4); 133 (1 to 4); 134 (S45, 1 to 4); 135 (S46, 1 to 4); 136 (1 to 4); 137 (S47, 1 to 4); 138 (S48, 1 to 4); 139 (1 to 4); 141 (S5, 1 to 4); 142 (1 to 4); 143 (S51, 1 to 4); 144 (S52, 1 to 4); 145 (1 to 4); 146 (S53, 1 to 4); 147 (S54, 1 to 4); 148 (1 to 4); 149 (S55, 1 to 4); 151 (1 to 4); 152 (, 1 to 4); 153 (S58, 1 to 4); 154 (1 to 4); 155 (1 to 4); 156 (, 1 to 4); 157 (1 to 4); 158 (1 to 4); 159 (S61, 1 to 4); 161 (1 to 4); 162 (, 1 to 4); 163 (1 to 4); 164 (1 to 4); 165 (, 1 to 4); 166 (1 to 4); 167 (1 to 4); 168 (S67, 1 to 3); 169 (1 to 4); 171 (S69, 1 to 4); 172 (1 to 4); 173 (1 to 4); 174 (S71, 1 to 4); 175 (S72, 1 to 4); 176 (1 to 4); 177 (2)
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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 4); 11 (S23, 1 to 4); 12 (S36, 1 to 4); 13 (1 to 4); 14 (S25, 1 to 4); 15 (S26, 1 to 4); 16 (1 to 4); 17 (S27, 1 to 4); 18 (S28, 1 to 4); 19 (1 to 4); 99 (1 to 4); 111 (S3, 1 to 4); 112 (1 to 4); 113 (S31, 1 to 4); 114 (S32, 1 to 4); 115 (1 to 4); 116 (S33, 1 to 4); 117 (S34, 1 to 4); 118 (1 to 4); 119 (S35, 1 to 4); 121 (1 to 4); 122 (S37, 1 to 4); 123 (S38, 1 to 4); 124 (1 to 4); 125 (S39, 1 to 4); 126 (S4, 1 to 4); 127 (1 to 4); 128 (S41, 1 to 4); 129 (S42, 1 to 4); 131 (S43, 1 to 4); 132 (S44, 1 to 4); 133 (1 to 4); 134 (S45, 1 to 4); 135 (S46, 1 to 4); 136 (1 to 4); 137 (S47, 1 to 4); 138 (S48, 1 to 4); 139 (1 to 4); 141 (S5, 1 to 4); 142 (1 to 4); 143 (S51, 1 to 4); 144 (S52, 1 to 4); 145 (1 to 4); 146 (S53, 1 to 4); 147 (S54, 1 to 4); 148 (1 to 4); 149 (S55, 1 to 4); 151 (1 to 4); 152 (, 1 to 4); 153 (S58, 1 to 4); 154 (1 to 4); 155 (1 to 4); 156 (, 1 to 4); 157 (1 to 4); 158 (1 to 4); 159 (S61, 1 to 4); 161 (1 to 4); 162 (, 1 to 4); 163 (1 to 4); 164 (1 to 4); 165 (, 1 to 4); 166 (1 to 4); 167 (1 to 4); 168 (S67, 1 to 3); 169 (1 to 4); 171 (S69, 1 to 4); 172 (1 to 4); 173 (1 to 4); 174 (S71, 1 to 4); 175 (S72, 1 to 4); 176 (1 to 4); 177 (2)
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Library of Congress
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Preserved
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2025-04-07
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109 (2); 159 (1 to 4, S61, S62); 160 (1 to 4); 161 (1 to 4); 162 (1 to 4, S63, S64); 164 (1 to 4); 165 (2, 4, S65, S66); 166 (1, 2, 4); 167 (1 to 4); 168 (1 to 4, S67, S68); 169 (4); 170 (3, 4); 171 (1 to 4, S69, S70); 172 (2 to 4); 173 (1 to 4); 174 (1 to 4, S71); 175 (1 to 4, S72); 176 (1, 3, 4); 177 (2)
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