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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 50 (1 to 4); 51 (1 to 3); 52 (1 to 4); 53 (2 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)
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Internet Archive
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Preserved
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2025-08-08
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1 to 64
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Portico
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Preserved
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2026-04-16
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Preserved : 1937: 1(1-6, 8-15, 17-19, 21-23, 25-29), 1938: 2(1-20)
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LOCKSS Archive
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In Progress
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2026-04-13
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1 to 70
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CLOCKSS Archive
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Preserved
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2026-04-13
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1 to 75
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Portico
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Preserved
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2026-04-16
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Preserved : 1940: 3(20, 22), 1940/1941: 4(1-21, 23-27), 1942/1943: 5(5, 8-10)
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Portico
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Preserved
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2026-04-16
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Preserved : 1945: 5(13)
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Portico
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Preserved
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2026-04-16
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Preserved : 1956: 6(1-4), 1957: 7(1-4), 1958: 8(1-4), 1959: 9(1-4), 1960: 10(1-4), 1961: 11(1-4), 1962: 12(1-4), 1963: 13(1-4), 1964: 14(1-4), 1965: 15(2-4), 1966: 16(1-3), 1967: 17(1-2, 4), 1968: 18(1-4), 1969: 19(1-4), 1970: 20(1-4), 1971: 21(1-4), 1972: 22(1-4), 1973: 23(1-4), 1974: 24(1-4), 1975: 25(1-4), 1976: 26(1-4), 1977: 27(1-4), 1978: 28(1-4), 1979: 29(1-4), 1980: 30(1-4), 1981: 31(1-4), 1982: 32(1, 3-4), 1983: 33(1-2), 1984: 34(1-4), 1985: 35(1-3), 1986: 36(2-4), 1987: 37(1-2, 4), 1988: 38(1-4), 1989: 39(1-4), 1990: 40(1-4), 1991: 41(1-3), 1992: 42(1-4), 1993: 43(4), 1994: 44(2-4), 1995: 45(2-3), 1996: 46(1, 3-4), 1997: 47(1-4), 1998: 48(1-4), 1999: 49(1-4), 2000: 50(1-4), 2001: 51(1-3), 2002: 52(1-4), 2003: 53(2-4), 2004: 54(1-4), 2005: 55(1-4), 2006: 56(1-4), 2007: 57(1-4), 2008: 58(1-4), 2009: 59(1-4), 2010: 60(1-4), 2011: 61(1-4), 2012: 62(1-4), 2013: 63(1-4), 2014: 64(1-4), 2011/2015: 65(2-4), 2016: 66(1-4), 2011/2017: 67(1-4), 2018: 68(3-4), 2019: 69(1-4), 2020: 70(1-4), 2021: 71(1-4), 2022: 72(1-4), 2023: 73(1-4), 2024: 74(1-4), 2025: 75(1-4)
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Library of Congress
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Preserved
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2025-04-07
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68 (1 to 4); 69 (1 to 4); 70 (1 to 4); 71 (1, 2, 4); 72 (1 to 4); 73 (1 to 4); 74 (1 to 3)
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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 : 64 (2 to 4)
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
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Preserved : 64 (2 to 4)
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National Digital Preservation Program, China
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Preserved
|
2025-10-23
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Preserved : 73 (1 to 4); 74 (1 to 4)
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
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Preserved : 73 (1 to 4); 74 (1 to 4)
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National Library of the Netherlands
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Preserved
|
2024-12-15
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Preserved : 47 (2-4); 48 (1-4); 49 (1-4); 50 (1-4); 51 (1-3); 52 (1-4); 53 (2-4); 54 (1-4); 55 (1-4); 56 (1-3); 57 (1-4); 58 (1-4); 59 (1-4); 60 (1-4); 61 (1-4); 62 (1-4); 63 (1-4); 64 (1-4); 65 (1-4); 66 (1-4); 67 (1-4); 68 (1-4); 69 (1-3)
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