Brigham, Johnson. Iowa, It History and Its Foremost Citizens. Home and School Edition, Illustrated, Volume 1. The S. J. Clarke Publishing Company, 1918. IA004

newspaper clippings containing the name Chapman: includes obituary, marriages, anniversaries, births, some pictures. IA005

The Derby Diary - 1872-1872 (centennial booklet for Derby, Lucas Co, IA), 1972. IA003

The Fremont County Historical Society. Fremont County, Iowa, Cemetery Records, Walsworth Publishing Company, Inc., 1983. IA001

History of Lucas County, Iowa, containing A History of the county, its cities, towns, etc. A Biographical Directory of many of its leading citizens, war record of its volunteers in the late rebellion, general and local statistics, portraits of early settlers and prominent men, history of Iowa and the Northwest, map of Lucas County, constitution of the United States, reminiscences, miscellaneous matters, etc., illustrated. State Historical Company, Des Moines, 1881. IA002