Pittsburgh bridges
By: written and illustrated by Elizabeth Taylor Herbertson.
Edition: [1st ed.]
Series: An Exposition-Lochinvar book
Publisher: Exposition Press
Published: 1970
Place of publication: New York
Language: eng
Number of pages: 125
Subjects: Bridges -- Pennsylvania -- Pittsburgh.; Pittsburgh (Pa.) -- Buildings, structures, etc.
Notes: Bibliography: p. 121-123.