HathiTrust (HATHI) |
HTDL |
v.1 no.1-12 1976; v.2 no.2-12 1977; v.3 no.1-12 1978; v.4 no.1-12 1979; v.5 no.1-12 1980; v.6 no.1-6 1981; v.11 no.1-6 1986; v.11 no.8-12 1986; v.12 no.1-6 1987; v.13 no.7-12 1988; v.14 no.7-12 1989; v.15 no.1-6 1990; v.15 no.7-12 1990; v.16 no.1-6 1991; v.16 no.7-12 1991; v.17 no.1-6 1992; v.17 no.7-12 1992; v.18 no.1-6 1993; v.19 no.1-6 1994; v.19 no.7-12 1994; v.20 no.1-6 1995; v.20 no.7-12 1995; v.21 no.1-5 1996; v.21 no.4 1996; v.21 no.8-12 1996; v.22 no.9-12 1997; v.24 no.5-12 1999; v.25 no.1-6 2000; v.25 no.7-12 2000; v.26 no.1-6 2001; v.26 no.7-12 2001; v.27 no.1-6 2002; v.27 no.7-12 2002; v.28 no.1-6 2003; v.28 no.7-12 2003; v.29 no.1-5 2004; v.31 no.1 2006
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permanent
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