by W. D. Hershberger. by S. Gershberg. edited by W. D. Hershberger. by M. J. Buerger. by Max Herzberger. [by] M. Neuberger. by Herbert R. Mauersberger. by Samuel Shellabarger. edited by C. G. Overberger. edited by W. F. Freiberger.