By Wilds, Elmer Harrison..
New York Holt, Rinehart and Winston 1961 .
xv, 590 p. 0030797403 (ed. 1970)

By Wilds, Elmer Harrison..
New York Holt, Rinehart and Winston 1970 .
xv, 590 p. 0030797403

By Black, Hugh C..
Chicago Nelson-Hall Co. 1972 .
xvi, 784 p. 24 cm..
0911012486

By Pillsbury, Kent L..
Chicago Nelson-Hall 1977 .
ix, 273 p. , Includes index. 24 cm..
0882291548