Civilization builders
By: by Frederick Houk Law.
Publisher: D. Appleton-Century company, incorporated
Published: 1939
Place of publication: New York
Language: eng
Number of pages: 356
Subjects: Inventors.; Industrial arts -- Biography.; Scientists.
Genres: Biography.
Notes: "Books for further reading" at end of each part; "Books of general nature for further reading": p. [350]
Table on lining-paper.