Media, Pa. Delaware County Institute of Science, 1911. Paperback. pp. [1], 50-90, [2] (44 pages): illustration; 22 cm. Brown wrapper printed in black. Former owner's name at head of front wrapper: R. J. Emmons. Contents: An Unusual Form of Maize by John W. Harshberger -- The Flood of 1843 [concluded]..... More