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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 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); 76 (, 1 to 4); 77 (, 1 to 4); 78 (, 1-2, 3, 4); 79 (, 1 to 4); 80 (, 1, 2); 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; 2023; 2024; 2025
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Internet Archive
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Preserved
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2025-08-08
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1 to 69
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CLOCKSS Archive
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In Progress
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2026-02-09
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1 to 62, 71 to 80
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LOCKSS Archive
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In Progress
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2026-02-09
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1 to 57, 80
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LOCKSS Archive
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Preserved
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2026-02-09
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58 to 79
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CLOCKSS Archive
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Preserved
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2026-02-09
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63 to 70
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Portico
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Preserved
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2026-02-12
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Preserved : 1946: 1(1-4), 1947: 2(1-4), 1948: 3(1-4), 1949: 4(1-4), 1950: 5(1-4), 1951: 6(1-4), 1952: 7(1-4), 1953: 8(1-4), 1954: 9(1-4), 1955: 10(1-4), 1956: 11(1-4), 1957: 12(1-4), 1958: 13(1-4), 1959: 14(1-4), 1960: 15(1-4), 1961: 16(1-4), 1962: 17(1-4), 1963: 18(1-4), 1964: 19(1-4), 1965: 20(1-4), 1966: 21(1-4), 1967: 22(1-4), 1968: 23(1-4), 1969: 24(1-4), 1970: 25(1-4), 1971: 26(1-4), 1972: 27(1-4), 1973: 28(1-4), 1974: 29(1-4), 1975: 30(1-4), 1976: 31(1-4), 1977: 32(1-4), 1978: 33(1-4), 1979: 34(1-4), 1980: 35(1-4), 1981: 36(1-4), 1982: 37(1-4), 1983: 38(1-4), 1984: 39(1-4), 1985: 40(1-4), 1986: 41(1-4), 1987: 42(1-4), 1988: 43(1-4), 1989: 44(1-4), 1990: 45(1-4), 1991: 46(1-4), 1992: 47(1-4), 1993: 48(1-4), 1994: 49(1-4), 1995: 50(1-4), 1996: 51(1-4), 1997: 52(1-4), 1998: 53(1-4), 1999: 54(1-4), 2000: 55(1-4), 2001: 56(1-4), 2002: 57(1-4), 2003: 58(1-4), 2004: 59(1-4), 2005: 60(1-4), 2006: 61(1-4), 2007: 62(1-4), 2008: 63(1-4), 2009: 64(1-4), 2010: 65(1-4), 2011: 66(1-4), 2012: 67(1-4), 2013: 68(1-4), 2014: 69(1-4), 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)
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Library of Congress
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Preserved
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2025-04-07
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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); 76 (1 to 4); 77 (1 to 4); 78 (1-2, 3, 4); 79 (1 to 3)
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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 : 8 (4); 9 (1-4); 10 (1, 2, 4); 11 (1-4); 13 (2); 14 (4); 15 (1-4); 16 (1, 4); 17 (1); 18 (2); 19 (3); 20 (2-4); 21 (1-4); 22 (1-4); 23 (1-4); 24 (1-4); 25 (1-4); 26 (3, 4); 27; 28; 32; 34 (2); 37 (4); 44 (1); 48 (2); 49 (3); 50 (1); 58 (2, 3); 60 (1-4); 61 (1-4); 62 (1-4); 63 (1, 4); 64 (1-4); 68 (2-4); 69 (1-4); 70 (1, 2, 4); 71 (1-4); 72 (1-4); 73 (1-4); 74 (1-3)
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