The Ascomycetes of Ohio IV and The Ascomycetes of Ohio V.
Columbus, OH: Ohio State University Press, 1921. 8vo. 30 pp. Light browning near edges, crease down center of covers, stamps to front cover, bottom corner bent. Ohio Biological Survey, Bulletin 10, Volume II, No. 6. The Lecideaceae and the Peltigeraceae. Near Fine Booklet (Item ID: 48813)