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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 1 (1); 2 (, 1); 3 (, 1); 4 (, 1); 5 (, 1); 6 (, 1); 7 (, 1); 8 (, 1); 9 (, 1); 10 (, 1); 11 (, 1); 12 (, 1); 13 (, 1); 14 (, 1); 15 (, 1); 24 (, 1, 2); 25 (, 1, 2); 26 (, 1, 2); 27 (, 1, 2); 28 (, 1, 2); 29 (, 1, 2); 30 (, 1, 2); 31 (, 1, 2); 32 (, 1, 3); 33 (, 3); 34 (, 1); 35 (, 2); 36 (, 1 to 3); 37 (, 1 to 3); 38 (, 1-2, 3, 4); 39 (, 1-2, 3, 4); 40 (, 1-2, 3); 41 (, 2, 3-4); 1979; 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019
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Internet Archive
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Preserved
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2025-08-08
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1 to 38
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Portico
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Preserved
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2026-02-12
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Preserved : 1979: 1(1), 1980: 2(1), 1981: 3(1), 1982: 4(1), 1983: 5(1), 1984: 6(1), 1985: 7(1), 1986: 8(1), 1987: 9(1), 1988: 10(1), 1989: 11(1), 1990: 12(1), 1991: 13(1), 1992: 14(1), 1993: 15(1), 1994: 16(1), 1995: 17(1), 1996: 18(1), 1997: 19(1), 1998: 20(1), 1999: 21(1), 2000: 22(1), 2001: 23(1), 2002: 24(1-2), 2003: 25(1-2), 2004: 26(1-2), 2005: 27(1-2), 2006: 28(1-2)
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Portico
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Preserved
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2026-02-12
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Preserved : 2007: 29(2), 2008: 30(1-2)
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Portico
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Preserved
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2026-02-12
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Preserved : 2009: 31(2), 2010: 32(1, 3), 2011: 33(1-2), 2012: 34(2-3), 2013: 35(1-3), 2014: 36(1-3), 2015: 37(1-3), 2016: 38(1-3), 2017: 39(1-4), 2018: 40(1-2)
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Portico
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Preserved
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2026-02-12
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Preserved : 2019: 41(1-4), 2020: 42(1-4), 2021: 43(1-4), 2022: 44(2-4), 2023: 45(1-4), 2024: 46(1-4), 2025: 47(1-4)
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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; 3; 4; 5; 6; 7; 8; 9 (3); 10 (1); 11; 12; 13; 14; 15; 16 (3); 17 (1); 18; 19; 20; 21; 22; 23; 24 (2); 25 (1, 2); 26 (1, 2); 27 (1, 2); 28 (1, 2); 29; 30 (1, 2); 31 (1, 2); 32 (1-3); 33 (1-3)
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Library of Congress
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Preserved
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2025-04-07
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41 (3-4); 42 (1 to 3-4); 43 (1 to 3-4); 44 (2, 3-4); 45 (2, 3-4); 46 (1, 2)
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