Keokuk Electric Co. 1889 Keokuk Street Railway Co. → 1891 Keokuk Electric Street Railway Co. → 1894 Keokuk Electric Railway → 1911 Keokuk Electric Railway & Power Co. → 1911–1928 Keokuk Electric Co.
1. CERA Bulletin No. 114, Iowa Trolleys. Norman Carlson (Editor), Robert J. Levis (Research Coordinator). Published by the Central Electric Railfan’s Association – 1975.