Portal:Oklahoma
From Wikisource
| Class E - States of the United States | Oklahoma |
| This page links to documents of historical importance related to Oklahoma, in the United States. |
About [edit]
- “Oklahoma,” by Mont F. Highley in Catholic Encyclopedia, 1913.
- “Oklahoma,” Collier's New Encyclopedia. New York: P.F. Collier & Son Co., 1921.
- Roy Gittinger, “Oklahoma,” Encyclopædia Britannica (12th ed.), 1922.