Arithmetic on the productive system; accompanied by a key and cubical blocks. By Roswell C. Smith.
Publisher: Scholarly Publishing Office, University of Michigan Library
Published: December 20, 2005
Language: eng
Format: Paperback
Number of pages: 316
ISBN-13: 9781425530624
Subjects: American history; History; History - U.S.; History: American; USA; United States - General; History / United States / General