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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 30 (, 1 to 4, 24); 31 (, 1 to 4, 25); 32 (, 1 to 4, 26); 33 (, 1 to 4, 27); 34 (, 1 to 4); 35 (, 1 to 4); 36 (, 1 to 4); 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 to 4); 49 (, 1 to 4); 50 (, 1 to 4); 51 (, 1 to 4); 52 (, 1 to 4); 53 (, 1 to 4); 54 (, 1 to 4); 55 (, 1 to 4); 56 (, 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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CLOCKSS Archive
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In Progress
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2026-02-09
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1 to 44, 48 to 56
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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 33, 56
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Portico
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Preserved
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2026-02-12
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Preserved : 1970: 1(1-2), 1971: 2(1-3), 1972: 3(1-3), 1973: 4(1-3), 1974: 5(1-3), 1975: 6(1-3), 1976: 7(1-3), 1977: 8(1-3), 1978: 9(1-3), 1979: 10(1-3), 1980: 11(1-3), 1981: 12(1-3), 1982: 13(1-4), 1983: 14(1-3, 5), 1984: 15(1-3, 7), 1985: 16(1-3, 9), 1986: 17(1-4, 10), 1987: 18(1-4, 11), 1988: 19(1-4), 1989: 20(1-3, 13), 1990: 21(1-4, 15), 1991: 22(1-4, 16), 1992: 23(1-4, 17), 1993: 24(1-4, 18), 1994: 25(1-4, 19), 1995: 26(1-4, 20), 1996: 27(1-4, 21), 1997: 28(1-4, 22), 1998: 29(1-4, 23), 1999: 30(1-4, 24), 2000: 31(1-4, 25), 2001: 32(1-4, 26), 2002: 33(1-4, 27), 2003: 34(1-4), 2004: 35(1-4), 2005: 36(1-4), 2006: 37(1-4), 2007: 38(1-4), 2008: 39(1-4), 2009: 40(1-4), 2010: 41(1-4), 2011: 42(1-4), 2012: 43(1-4), 2013: 44(1-4), 2014: 45(1-4), 2015: 46(1-4), 2016: 47(1-4), 2017: 48(1-4), 2018: 49(1-4), 2019: 50(1-4), 2020: 51(1-4), 2021: 52(1-4), 2022: 53(1-4), 2023: 54(1-4), 2024: 55(1-4), 2025: 56(1-4)
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LOCKSS Archive
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Preserved
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2026-02-09
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34 to 55
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CLOCKSS Archive
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Preserved
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2026-02-09
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45 to 47
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Library of Congress
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Preserved
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2025-04-07
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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 to 4); 49 (1 to 4); 50 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4)
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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 : 1 (1, 2); 2 (1-3); 3 (1-3); 4 (1-3); 5 (1-3); 6 (1-3); 7 (1-3); 8 (1-3); 9 (1-3); 10 (1-3); 11 (1-3); 12 (1-3); 13 (1-4); 14 (1-3, 5); 15 (1-3, 7); 16 (1-3, 9); 17 (1-4, 10); 18 (1-4, 11); 19 (1-4); 20 (1-3, 13); 21 (1-4, 15); 22 (1-4, 16); 23 (1-4, 17); 24 (1-2, 3, 4, 18); 25 (1-4, 19); 26 (1-4, 20); 27 (1-4, 21); 28 (1-4, 22); 29 (1-4, 23); 30 (1-4, 24); 31 (1-4, 25); 32 (1-4, 26); 33 (1-4, 27); 34 (1-4); 35 (1-4); 36 (1-4); 37 (1-4); 38 (1-4); 39 (1-4); 40 (1-4); 41 (1-4); 42 (1-4); 43 (1-4); 44 (1-4); 45 (1-4); 46 (1-4); 47 (1-4); 48 (1-4); 49 (1-4); 50 (1-3)
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British Library
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Preserved
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2019-09-18
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Preserved : 45 (1 to 4), 46 (1 to 4), 47 (1 to 4), 48 (1 to 4), 49 (1 to 3)
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