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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 49 (3); 54 (2); 59 (1 to 5); 60 (1 to 5); 61 (1 to 5); 62 (1 to 5); 63 (1 to 5); 64 (1 to 5); 65 (1 to 5); 66 (1 to 5); 67 (1 to 5); 68 (1 to 5); 69 (1 to 5); 70 (1 to 5); 71 (1 to 5); 72 (1 to 5); 73 (1 to 5); 74 (1 to 5); 75 (1 to 5); 76 (1 to 3, 5); 77 (1, 2, 3-4, 5); 78 (1 to 5); 79 (1 to 5); 80 (1 to 5); 81 (1 to 5); 82 (1 to 5); 83 (1 to 5); 84 (1 to 5); 85 (1, 2)
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Internet Archive
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Preserved
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2025-08-08
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1 to 73
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Portico
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Preserved
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2026-05-21
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Preserved : 1941/1942: 1(1-4), 1942/1943: 2(1-4), 1943/1944: 3(1-4), 1944/1945: 4(1-4), 1945/1946: 5(1-4), 1946/1947: 6(1-4), 1947/1948: 7(1-4), 1948/1949: 8(1-4), 1949/1950: 9(1-4), 1950/1951: 10(1-4), 1951/1952: 11(1-4), 1952/1953: 12(1-4), 1953/1954: 13(1-4), 1954/1955: 14(1-4), 1955/1956: 15(1-4), 1956/1957: 16(1-4), 1957/1958: 17(1-4), 1958/1959: 18(1-4), 1959/1960: 19(1-4), 1960/1961: 20(1-5), 1962: 21(1-4), 1963: 22(1-4), 1964: 23(1-4), 1965: 24(1-4), 1966: 25(1-4), 1967: 26(1-4), 1968: 27(1-4), 1969: 28(1-4), 1970: 29(1-4), 1971: 30(1-4), 1972: 31(1-4), 1973: 32(1-4), 1974: 33(1-4), 1975: 34(1-4), 1976: 35(1-4)
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Portico
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Preserved
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2026-05-21
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Preserved : 1978: 37(1-4), 1979: 38(1-4), 1980: 39(1-4), 1981: 40(1-4), 1982: 41(1-4), 1983: 42(1-4), 1984: 43(1-4), 1985: 44(1-4), 1986: 45(1-4), 1987: 46(1-4), 1988: 47(1-4), 1989: 48(1-4), 1990: 49(1-4), 1991: 50(1-4), 1992: 51(1-4), 1993: 52(1-4), 1994: 53(1-4), 1995: 54(1-4), 1996: 55(1-4), 1997: 56(1-4), 1998: 57(1-4), 1998/1999: 58(1-4), 2000: 59(1-5), 2001: 60(1-5), 2002: 61(1-5), 2003: 62(1-5), 2004: 63(1-5), 2005: 64(1-5), 2006: 65(1-5), 2007: 66(1-5), 2008: 67(1-5), 2009: 68(1-5), 2010: 69(1-5), 2011: 70(1-5), 2012: 71(1-5), 2013: 72(1-5), 2014: 73(1-5), 2015: 74(1-5), 2016: 75(1-5), 2017: 76(1-5), 2018: 77(1-5), 2019: 78(1-5), 2020: 79(1-5), 2021: 80(1-5), 2022: 81(1-5), 2023: 82(1-5), 2024: 83(1-5), 2025: 84(1-5), 2026: 85(1-3)
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CLOCKSS Archive
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Preserved
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2026-05-18
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49 to 85
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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 : 6 (1 to 5); 7 (1 to 5); 8 (1 to 5); 56 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1 to 5); 61 (1 to 5); 62 (1 to 5); 63 (1 to 5); 64 (1 to 5); 65 (1 to 5); 66 (1 to 5); 67 (1 to 5); 68 (1 to 5); 69 (1 to 5); 71 (1 to 5); 72 (1 to 5); 73 (1 to 5); 74 (1 to 5); 75 (1 to 5); 76 (1 to 5); 77 (1, 2, 3-4, 5); 78 (1 to 5); 79 (1 to 5); 81 (1 to 4); 82 (1 to 5); 83 (1 to 5); 84 (1 to 4)
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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 : 6 (1 to 5); 7 (1 to 5); 8 (1 to 5); 56 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1 to 5); 61 (1 to 5); 62 (1 to 5); 63 (1 to 5); 64 (1 to 5); 65 (1 to 5); 66 (1 to 5); 67 (1 to 5); 68 (1 to 5); 69 (1 to 5); 71 (1 to 5); 72 (1 to 5); 73 (1 to 5); 74 (1 to 5); 75 (1 to 5); 76 (1 to 5); 77 (1, 2, 3-4, 5); 78 (1 to 5); 79 (1 to 5); 81 (1 to 4); 82 (1 to 5); 83 (1 to 5); 84 (1 to 4)
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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 : 65 (1-5); 66 (1-4)
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