Catalog of United States perfins
By: [edited] by Joseph J. Balough, Dorothy Balough.
Contributors: Balough, Joseph J.; Balough, Dorothy.
Publisher: Perfins Club
Published: 1979
Place of publication: [Grandview, Mo.]
Language: eng
Number of pages: 547
Subjects: Perforations (Philately) -- United States -- Catalogs.
Notes: "Much of the information ... was published in two earlier works: Illustrated perfins catalog in 1966 and Catalog of United States perfins in 1958."
In ms. on t.p.: Copy 3 of 50.