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Internet Archive
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Preserved
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2025-08-08
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39 to 75
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 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 6); 21 (1 to 6); 22 (1 to 6); 23 (1 to 12); 24 (1 to 12); 25 (1 to 13); 26 (1 to 12); 27 (1 to 12); 28 (1 to 12); 29 (1 to 12); 30 (1 to 12); 31 (1 to 12); 32 (1 to 12); 33 (1 to 12); 34 (1 to 12); 35 (1 to 12); 36 (1 to 12); 37 (1 to 12); 38 (1 to 12); 39 (1 to 12); 40 (1 to 12); 41 (1 to 12); 42 (1 to 12); 43 (1 to 12); 44 (1 to 12); 45 (1 to 12); 46 (1 to 12); 47 (1 to 6); 48 (1 to 6); 49 (1 to 6); 50 (1 to 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 57 (1 to 6); 58 (1 to 6); 59 (1 to 6); 60 (1 to 6); 61 (1 to 6); 62 (1 to 6); 63 (1 to 6); 64 (1 to 6); 65 (1 to 6); 66 (1 to 6); 67 (1 to 12); 68 (1 to 12); 69 (1 to 12); 70 (1 to 12); 71 (1 to 12); 72 (1 to 12); 73 (1 to 12); 74 (1 to 12); 75 (1 to 12); 76 (1 to 12); 77 (1 to 12); 78 (1 to 12); 79 (1 to 12); 80 (Suppl, 1 to 12); 81 (1 to 12); 82 (1 to 12); 83 (1 to 11, 12-13); 84 (1 to 12); 85 (1 to 12); 86 (1 to 12); 87 (1 to 12); 88 (Suppl, 1 to 12); 89 (1 to 12); 90 (Suppl, 1 to 12); 91 (1, 3, 5 to 12); 92 (Suppl, 1 to 12); 93 (1 to 3)
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LOCKSS Archive
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In Progress
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2026-04-13
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79, 86
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LOCKSS Archive
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Preserved
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2026-04-13
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80 to 85
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CLOCKSS Archive
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Preserved
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2026-04-13
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3 to 93
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Portico
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Preserved
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2026-04-16
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Preserved : 1936: 3(1-4), 1937: 4(1-4), 1938: 5(1-4), 1939: 6(1-4), 1940: 7(1-4), 1941: 8(1-4), 1942: 9(1-4), 1943: 10(1-4), 1944: 11(1-4), 1945: 12(1-4), 1946: 13(1-4), 1947: 14(1-4), 1948: 15(1-4), 1949: 16(1-4), 1950: 17(1-4), 1951: 18(1-4), 1952: 19(1-4), 1953: 20(1-6), 1954: 21(1-6), 1955: 22(1-6), 1956: 23(1-12), 1957: 24(1-12), 1958: 25(1-10, S 10, 11-13), 1959: 26(1-4, S 4, 5-11, S 11, 12), 1960: 27(1-12), 1961: 28(1-12), 1962: 29(1-12), 1963: 30(1-12), 1964: 31(1-12), 1965: 32(1-12), 1966: 33(1-9, S 9, 10-12), 1967: 34(1-12), 1968: 35(1-12), 1969: 36(1-12), 1970: 37(1-12), 1971: 38(1-12), 1972: 39(1-12), 1973: 40(1-12), 1974: 41(1-12), 1975: 42(1-12), 1976: 43(1-12), 1977: 44(1-12), 1978: 45(1-12), 1979: 46(1-12), 1980: 47(1-6), 1981: 48(1-6), 1982: 49(1-6), 1983: 50(1-6), 1984: 51(1-6), 1985: 52(1-6), 1986: 53(1-6), 1987: 54(1-6), 1988: 55(1, S 1, 2-6), 1989: 56(1, S 1, 2-6), 1990: 57(1-6), 1991: 58(1-5, S 5, 6), 1992: 59(1-6), 1993: 60(1-6), 1994: 61(1-6), 1995: 62(1-6), 1996: 63(1-6), 1997: 64(1-6), 1998: 65(1-6), 1999: 66(1-6), 2000: 67(1-12), 2001: 68(1-12), 2002: 69(1-12), 2003: 70(1-12), 2004: 71(1-12), 2005: 72(1-12), 2006: 73(1-12), 2007: 74(1-12), 2008: 75(1-12), 2009: 76(1-12), 2010: 77(1-12), 2011: 78(1-12), 2012: 79(1-12), 2013: 80(1, S 1, 2-12), 2014: 81(1-12), 2015: 82(1-12), 2016: 83(1-13), 2017: 84(1-12), 2018: 85(1-12), 2019: 86(1-12), 2020: 87(1-12), 2021: 88(1, S 1, 2-12), 2022: 89(1-12), 2023: 90(1, S 1, 2-12), 2024: 91(1-11), 2025: 92(1, S 1, 2, 5-12), 2026: 93(1-4)
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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 : 61 (10); 64 (4); 66 (5); 67 (2); 68 (1, 5, 7); 69 (2, 9, 11); 71 (2); 72 (1, 3, 4); 73 (12); 74 (1-12); 75 (1-12); 76 (1-12); 77 (1-12); 78 (1-12); 79 (supplement-1, 1-12); 80 (supplement-1, 1-9, 11, 12); 81 (supplement-1, 1-12); 82 (1-12); 83 (1-11, 12-13); 84 (1-12); 85 (1-12); 86 (supplement-1, 1-8, 10, 11)
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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 : 7 (1 to 9, 11, 12); 8 (Suppl 2, 1 to 9, 11, 12); 9 (Suppl 1, 1 to 9, 11, 12); 64 (1 to 6); 65 (1 to 6); 66 (1 to 6); 67 (1 to 9, 11, 12); 68 (1 to 9, 11, 12); 69 (1 to 9, 11, 12); 71 (1 to 9, 11, 12); 72 (1 to 9, 11, 12); 73 (1 to 9, 11, 12); 74 (1 to 9, 11, 12); 75 (1 to 9, 11, 12); 76 (1 to 9, 11, 12); 77 (1 to 9, 11, 12); 78 (1 to 9, 11, 12); 79 (Suppl 1, 1 to 9, 11, 12); 81 (Suppl 1, 1 to 9, 11, 12); 82 (1 to 9, 11, 12); 83 (1 to 9, 11, 12); 84 (1 to 9, 11, 12); 85 (1 to 9, 11, 12); 86 (Suppl 1, 1 to 9, 11, 12); 87 (1 to 9, 11, 12); 88 (Suppl 1, 1 to 9, 11, 12); 89 (1 to 9, 11, 12); 91 (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 : 7 (1 to 9, 11, 12); 8 (Suppl 2, 1 to 9, 11, 12); 9 (Suppl 1, 1 to 9, 11, 12); 64 (1 to 6); 65 (1 to 6); 66 (1 to 6); 67 (1 to 9, 11, 12); 68 (1 to 9, 11, 12); 69 (1 to 9, 11, 12); 71 (1 to 9, 11, 12); 72 (1 to 9, 11, 12); 73 (1 to 9, 11, 12); 74 (1 to 9, 11, 12); 75 (1 to 9, 11, 12); 76 (1 to 9, 11, 12); 77 (1 to 9, 11, 12); 78 (1 to 9, 11, 12); 79 (Suppl 1, 1 to 9, 11, 12); 81 (Suppl 1, 1 to 9, 11, 12); 82 (1 to 9, 11, 12); 83 (1 to 9, 11, 12); 84 (1 to 9, 11, 12); 85 (1 to 9, 11, 12); 86 (Suppl 1, 1 to 9, 11, 12); 87 (1 to 9, 11, 12); 88 (Suppl 1, 1 to 9, 11, 12); 89 (1 to 9, 11, 12); 91 (1 to 9, 11, 12)
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