MSU Authors Collection
Robert C. Wright
01-01-1979
http://cornerstone.lib.mnsu.edu/university-archives-msu-authors/398
https://www.amazon.com/Frederick-Manfred-Twaynes-United-Authors/dp/0805772472/ref=sr_1_1?dchild=1&keywords=9780805772470&qid=1618927957&sr=8-1
Wright, R. C. (1979). Frederick Manfred. Twayne Publishers.