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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, 2, 3-4); 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 to 4); 79 (, 1 to 4); 80 (, 1, 2); 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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26 to 66
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Portico
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Preserved
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2026-02-12
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Preserved : 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), 2000/2001: 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), 2026: 81(1)
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CLOCKSS Archive
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In Progress
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2026-02-09
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50 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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50 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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National Library of the Netherlands
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Preserved
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2024-12-15
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Preserved : 40 (4); 66 (2, 4); 67 (3, 4); 68 (1-4); 69 (1-4); 70 (1, 2, 4); 71 (1-4); 72 (1-4); 73 (1-4); 74 (1-4)
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British Library
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Preserved
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2019-09-18
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Preserved : 69 (1 to 4), 70 (1 to 4), 71 (1 to 4), 72 (1 to 4), 73 (1 to 3)
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Library of Congress
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Preserved
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2025-04-07
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16 (); 65 (1 to 3-4); 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 to 4); 79 (1 to 4)
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