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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 22 (1 to 3); 23 (, 1 to 3); 24 (, 1 to 3); 25 (, 1 to 3); 26 (, 1 to 3); 27 (, 1 to 3); 28 (, 1 to 3); 29 (, 1 to 3); 30 (, 1 to 3); 31 (, 1 to 3); 32 (, 1 to 3); 33 (, 1 to 4); 34 (, 1, 2); 35 (, 1 to 3); 36 (, 1 to 3); 37 (, 1 to 4); 38 (, 1 to 4); 39 (, 1 to 4); 40 (, 1 to 4); 41 (, 1 to 4); 42 (, 1 to 4); 43 (, 1 to 4); 44 (, 1 to 4); 45 (, 1 to 4); 46 (, 1 to 4); 47 (, 1 to 4); 48 (, 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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1 to 35
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Portico
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Preserved
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2026-02-12
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Preserved : 1978: 1(1-2), 1979: 2(1-2), 1980: 3(1-2), 1981: 4(1-2), 1982: 5(1-2), 1983: 6(1-3), 1984: 7(1-3), 1985: 8(1-3), 1986: 9(1-3), 1987: 10(1-3), 1988: 11(1-3), 1989: 12(1-3), 1990: 13(1-3), 1991: 14(1-3), 1992: 15(1-3), 1993: 16(1-3), 1994: 17(1-3), 1995: 18(1-3), 1996: 19(1-3), 1997: 20(1-3), 1998: 21(1-3), 1999: 22(1-3), 2000: 23(1-3), 2001: 24(1-3), 2002/2003: 25(1-3), 2003/2004: 26(1-3), 2004/2005: 27(1-3), 2005/2006: 28(1-3), 2006/2007: 29(1-3), 2007/2008: 30(1-3), 2008/2009: 31(1-3), 2009/2010: 32(1-3), 2010/2011: 33(1-4), 2011: 34(1-2), 2012: 35(1-3), 2013: 36(1-3), 2014: 37(1-4), 2015: 38(1, 3-4), 2016: 39(1-4), 2017: 40(1-4), 2018: 41(1-4), 2019: 42(1-4), 2020: 43(1-3), 2021: 44(1-4), 2022: 45(1-4), 2023: 46(1-4), 2024: 47(1-4), 2025: 48(1-4), 2026: 49(1)
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CLOCKSS Archive
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In Progress
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2026-02-09
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24 to 27, 29 to 35, 39 to 48
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LOCKSS Archive
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In Progress
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2026-02-09
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24, 48
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LOCKSS Archive
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Preserved
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2026-02-09
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25 to 47
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CLOCKSS Archive
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Preserved
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2026-02-09
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28, 36 to 38
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Library of Congress
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Preserved
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2025-04-07
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32 (3); 33 (1 to 4); 34 (1, 2); 35 (1 to 3); 36 (1 to 3); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 40 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4)
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British Library
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Preserved
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2019-09-18
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Preserved : 37 (1 to 4), 38 (1 to 4), 39 (1 to 4), 40 (1 to 4), 41 (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 : 20 (2); 23 (1, 3); 24 (1); 27 (3); 33; 36 (1-3); 37 (1-4); 38 (1-4); 39 (1-4); 40 (1-4); 41 (1-4); 42 (1-4)
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