Essential mathematics
By: Francis G. Lankford, James F. Ulrich, John R. Clark
Contributors: Ulrich, James F.; Clark, John R. (John Roscoe), 1887-
Publisher: Harcourt, Brace & World
Published: 1961
Place of publication: New York
Language: eng
Number of pages: 536
Subjects: Mathematics; Textbooks
Notes: Includes index.

Indiana state adopted textbook for 9th-10th grades, 1965-1970.

Secondary schools.