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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 3 (1 to 5); 4 (, 1 to 6); 5 (, 1, 2); 6 (, 1 to 5); 7 (, 1); 8 (, 1); 9 (, 1); 10 (, 1); 11 (, 1); 12 (, 1); 18 (, 1); 19 (, 1, 2); 20 (, 1, 2); 21 (, 1, 2); 22 (, 1, 2); 23 (, 1, 2); 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, 2); 33 (, 1, 2); 34 (, 1, 2); 35 (, 1, 2); 36 (, 1, 2); 37 (, 1, 2); 38 (, 1, 2); 39 (, 1, 2); 40 (, 1, 2); 41 (, 1 to 3); 42 (, 1 to 3); 43 (, 1 to 3); 44 (, 1); 45 (, 1 to 3); 46 (, 1-2, 3); 1954; 1955; 1956; 1957; 1958; 1959; 1960; 1961; 1962; 1963; 1964; 1965; 1969; 1970; 1971; 1972; 1973; 1974; 1975; 1976; 1977; 1978; 1979; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013
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LOCKSS Archive
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Preserved
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2026-02-09
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3 to 46
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CLOCKSS Archive
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Preserved
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2026-02-09
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41 to 46
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Portico
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Preserved
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2026-02-12
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Preserved : 1982: 15(1), 1983: 16(1), 1984: 17(1), 1985: 18(1), 1986: 19(1), 1987: 20(1), 1988: 21(1), 1989: 22(1), 1990: 23(1), 1991: 24(1), 1992: 25(1), 1993: 26(1), 1994: 27(1), 1995: 28(1), 1996: 29(1), 1997: 30(1), 1998: 31(1), 1999: 32(1), 2000: 33(1), 2001: 34(1), 2002: 35(1), 2003: 36(1), 2004: 37(1), 2005: 38(1), 2006: 39(1), 2007: 40(1), 2008: 41(1-3), 2009: 42(1-3), 2010: 43(1-3), 2011: 44(1-3), 2012: 45(1-3), 2013: 46(1-3)
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Public Knowledge Project PLN
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Preserved
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2026-02-12
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Preserved : 47 (1, 2); 48 (1, 2); 49 (1, 2); 50 (1, 2); 51 (1, 2); 52 (1, 2); 53; 54 (1)
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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 (1-5); 2 (1-5); 3 (1-5); 4 (1-6); 5 (1, 2); 6 (1-5); 7 (1); 8; 9; 10; 11; 12; 13; 14; 15; 16; 17; 18; 19 (2); 20 (1, 2); 21 (1, 2); 22 (1, 2); 23 (1, 2); 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, 2); 33 (1, 2); 34 (1, 2); 35 (1, 2); 36 (1, 2); 37 (1, 2); 38 (1, 2); 39 (1, 2); 40 (1, 2); 41 (1-3)
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