Unit of work.
Subtitle: Ships and navigation
By: by Tompsie Baxter and Bess M. Young
Contributors: Young, Bess Margaret
Series: Lincoln school of Teachers college, Columbia university ...  Lincoln school curriculum studies
Publisher: Pub. by Bureau of publications, Teachers college, Columbia university, for Lincoln school of Teachers college
Published: 1933
Place of publication: New York city
Language: eng
Number of pages: 219
Subjects: Ships; Shipping; Education -- Experimental methods
Other titles: Ships and navigation
Notes: Illustrated lining-papers in colors

Bibliography: p. 203-214