American stampless cover catalog
Subtitle: the standard reference catalog of American postal history.
Contributors: Phillips, David G.
Edition: 4th ed. / editor in chief, David G. Phillips.
Publisher: D.G. Phillips Pub. Co.
Published: 1985
Place of publication: North Miami, Fla. (P.O. Box 611388, North Miami 33261-1388)
Language: eng
Subjects: Postmarks -- United States -- Catalogs.