The Pittsburgh and Allegheny blue book
Publisher: M.B. Haven
Published: 1887
Place of publication: Cleveland, Ohio
Language: eng
Subjects: Directories
Other titles: Martha W. Brown-Haven's Pittsburgh and Allegheny blue book; Pittsburgh blue book; Pittsburg & Allegheny blue book.; Pittsburg and Allegheny blue book.
Notes: Title varies slightly.

Imprint varies.

Vol. for 1895 also available on the Internet.