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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (1 to 4); 2 (5 to 8); 3 (1-2, 3-4); 4 (1); 5; 6; 7; 8; 9; 10; 11; 12; 13; 14; 15; 16; 17; 18; 19; 20; 21; 22; 23; 24; 25; 26; 27; 28; 29; 30; 31; 32; 33; 34; 35; 36; 37; 38; 39; 40; 41; 42; 43; 44; 45; 46; 47; 48; 49; 50; 51; 52; 53; 54; 55; 56; 57; 58; 59; 60 (2); 61 (1, 2); 62 (1, 2); 63 (1, 2); 64 (1, 2); 65 (1 to 3); 66 (1 to 3); 67 (1 to 3); 68 (1 to 3); 69 (1 to 3); 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)
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Internet Archive
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Preserved
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2025-08-08
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39 to 60
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LOCKSS Archive
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Preserved
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2026-04-06
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65 to 67
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CLOCKSS Archive
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Preserved
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2026-04-06
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65 to 70
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Portico
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Preserved
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2026-04-02
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Preserved : 1937/1938: 1(1-4), 1938/1939: 2(5-8), 1946/1947: 3(1-4)
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Portico
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Preserved
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2026-04-02
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Preserved : 1949: 4(1), 1950: 5(1), 1951: 6(1), 1952: 7(1), 1953: 8(1), 1954: 9(1), 1955: 10(1), 1956: 11(1), 1957: 12(1), 1958: 13(1), 1959: 14(1), 1960: 15(1), 1961: 16(1), 1962: 17(1), 1963: 18(1), 1964: 19(1), 1965: 20(1), 1966: 21(1), 1967: 22(1), 1968: 23(1), 1969: 24(1), 1970: 25(1), 1971: 26(1), 1972: 27(1), 1973: 28(1), 1974: 29(1), 1975: 30(1), 1976: 31(1), 1977: 32(1), 1978: 33(1), 1979: 34(1), 1980: 35(1), 1981: 36(1), 1982: 37(1), 1983: 38(1), 1984: 39(1), 1985: 40(1), 1986: 41(1), 1987: 42(1), 1988: 43(1), 1989: 44(1), 1990: 45(1), 1991: 46(1), 1992: 47(1), 1993: 48(1), 1994: 49(1), 1995: 50(1), 1996: 51(1), 1997: 52(1), 1998: 53(1), 1999: 54(1), 2000: 55(1), 2001: 56(1), 2002: 57(1), 2003: 58(1), 2004: 59(1), 2005: 60(1-2), 2006: 61(1-2), 2007: 62(1-2), 2008: 63(1-2), 2009: 64(1-2), 2010: 65(1-3), 2011: 66(1-3), 2012: 67(1-3), 2013: 68(1-3), 2014: 69(1-3), 2015: 70(1-3)
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LOCKSS Archive
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Preserved
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2026-04-06
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1 to 79
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CLOCKSS Archive
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Preserved
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2026-04-06
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1 to 80
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LOCKSS Archive
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In Progress
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2026-04-06
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80, 81
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Portico
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Preserved
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2026-04-02
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Preserved : 2015: 70(1-4), 2016: 71(1-4), 2017: 72(1-4), 2018: 73(1-4), 2019: 74(1-4), 2020: 75(1-4), 2021: 76(1-4), 2022: 77(1-4), 2023: 78(1-4), 2024: 79(1-4), 2025: 80(1-4), 2026: 81(1)
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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 : 72 (2 to 4); 73 (1, 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 : 72 (2 to 4); 73 (1, 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 : 6 (1, 2); 7 (1 to 4); 8 (1); 52; 53; 54; 55; 56; 57; 58; 59; 61 (2); 62 (1, 2); 63 (1, 2); 64 (1, 2); 65 (1 to 3); 66 (1 to 3); 67 (1 to 3); 68 (1 to 3); 69 (1 to 3); 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)
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Library of Congress
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Preserved
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2025-04-07
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72 (1 to 4); 73 (1 to 4); 74 (1, 3, 4); 75 (1 to 4); 76 (1 to 4); 77 (1 to 4); 78 (1 to 4); 79 (1 to 3)
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