Scholar of English romanesque sculpture and architecture. Mendell studied medieval art at Yale University under Henri Focillon and Jean Bony. She completed her disseration in 1939 writing on the romanesque church at Saintonge, France. The following year it was published as part of the Yale Historical Publications the following year. She was married Clarena W. Mendell (b. 1885).
[dissertaton:] Romanesque Sculpture in Saintonge. Yale University, 1939, Published, Yale Historical Publications, 1940, New Haven: Yale University Press. 1940.