De Morgan, Sophia Elizabeth (ed. Mary A. de Morgan).
Title Threescore Years and Ten: Reminiscences of the late Sophia Elizabeth De Morgan: to which are added letters to and from her husband, the late Augustus De Morgan, and others.
Book Condition Very Good
Publisher London Richard Bentley 1895
Seller ID 23192
Decorated blk boards; a little marked and scuffed; front joint partially exposed, but binding tight. B/w frontispiece. Sophia de Morgan was the wife of the great English mathematician Augustus de Morgan, formulator of de Morgan's Laws. ; 8vo (6" x 9"); 259 pages