OPPLE: Descendants of the German Emigrant Joseph Opple with Related Zehner, Koch, and Doty Families (Softcover)by Clyde L Guyer et al. 1977. 174p This book compiles the genealogical history of the Opple family, acknowledging the contributions of various family members in gathering and organizing the information. It reflects on the author's journey of discovering family roots, emphasizing the importance of preserving history through collaboration and shared memories. The narrative includes personal anecdotes, historical context, and the cultural values