edited by James D. Simmonds
University of Pittsburgh Press
c1969-
v. 1 , v. 2 , v. 3 , v. 4 , v. 5 , v. 6 , v. 8 , v. 9 : 1976 , v. 10 : 1977 , v. 12 : 1978 , v. 13 : 1979 , v. 14 : 1980 , v. 15 : 1981 , v. 16 : 1982 , v. 18 : 1983 , v. 20 : 1984 , v. 21 : 1985 , v. 22 : 1986 , v. 23 : 1987 , v. 24 : 1988 , v. 25 : 1989 , v. 26 : 1990 , v. 27 : 1991 , v. 29 : 1992 , v. 30 : 1993 , v. 31 , v. 32 , v. 34 , v. 35 , v. 36 , v. 37 , v. 38 , v. 39 , v. 40 , v. 41 , v. 42 , v. 43 , v. 44 , v. 45 , v. 46 , v. 47 , v. 48 , v. 49 , v. 50 , v. 51 , v. 52 , v. 53 , v. 54 , v. 55 , v. 56 , v. 57 , v. 59 , Index Vol.1-12
Available at 96 libraries