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