1. American processional [story of our country], 1492-1900 [special exhibition held at], Corcoran Gallery of Art, Washington, D. C. [July 8-Dec. 17, 1950, to commemorate establishment of permanent seat of Federal Government in Washington in year 1800; edited by Elizabeth McCausland]. Bookmark Corporate/Agency Authors: National Capital Sesquicentennial Commission Publisher: National Capital Sesquicentennial Commission Date: 1950 SuDoc number: Y 3.N 21/20:Am 3