Course of study for elementary grades.
John Vaughan, state superintendent of public instruction.

APA Citation

Oklahoma. State Dept. of Education. (1932). Course of study for elementary grades. Revised 1932. [Oklahoma City?].

MLA Citation

Oklahoma. State Dept. of Education. Course of Study for Elementary Grades. Revised 1932. [Oklahoma City?], 1932.

Warning: These citations may not always be complete (especially for serials).