Directory of microfilm services in the United States and Canada.
Edition: Rev. ed.
Publisher: W. Kohlhammer
Published: 1947
Place of publication: New York
Language: eng; ger
Number of pages: 30
Subjects: Microfilm services -- United States -- Directories.; Microfilm services -- Canada -- Directories.
Notes: "Based on the Directory of microfilm sources, compiled by Ross C. Cibella."