Van Wagenen American history scales.
Subtitle: Manual of directions
By: prepared by Marvin J. Van Wagenen.
Edition: Rev. ed.
Series: Teachers college bulletin.  15th ser -- no. 3
Publisher: Teachers college, Columbia university
Published: 1924
Place of publication: New York city
Language: eng
Number of pages: 11
Subjects: Educational tests and measurements; Grading and marking (Students); United States -- History -- Study and teaching