Currently listed on eBay is a WWII prayer book with the following description which might be of interest to a Quast researcher: Soiled and used, 4 1/2 X 3 1/2 inch Service Prayer Book "From your pastor R.W. Weindorf. Goodhue, Minn. Jan. 22, 1942" signed inside front cover. Second Edition, September 1941 Printed in U.S. A. by Columbia Printing Co., Chicago. Authorized by the Army and Navy Commission of the Evangelical Lutheran Synod of Missouri, Ohio and other States. My Decision inside back cover signed by: Harold John Quast. Book worn but sound. eBay number is:6542254792Happy searching!!