Thirteen-star flags: keys to identification.
Series: Smithsonian studies in history and technology, no. 21; Smithsonian studies in history and technology ;; no. 21.
Publisher: Smithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]
Published: 1973
Place of publication: Washington
Language: eng
Number of pages: 62
Subjects: Flags -- United States
Notes: Bibliography: p. 59-60.