Gale Research
c1988-
10th ed , 11th ed. v. 1 , 11th ed. v. 2 , 11th ed. suppl. 1 , 11th ed. suppl. 2 , : set , 12th ed. 1991, v. 1 , 12th ed. 1991, v. 2 , 13th ed. 1992, v. 1 , 13th ed. 1992, v. 2 , : set , 14th ed. 1993, v. 1 , 14th ed. 1993, v. 2 , : set , 19th ed. 1997/98, v. 1 , 19th ed. 1997/98, v. 2 , : set , 24th ed., v. 1 , 24th ed., set , 24th ed., v. 2 , : set , 27th ed., v. 1 , 27th ed., v. 2 , 33rd ed, set , 33rd ed, v. 1 , 33rd ed, v. 2
Available at 12 libraries