Elsie McElroy Slater. El Paso Birds. El Paso, TX: Designed and printed by Carl Hertzog, 1945. First edition.  Inscribed to Sally and Bill Wittliff from Vivian & Carl Hertzog, and dated 1966.  16mo (approx. 6.75 x 4.5 inches). 58pp (indexed). Illustrated with drawings used by permission from the U. S......