^"Ships' Data U.S. Naval Vessels has "E. C. Steward" but lacking first name. Preference given to reference with full name.
^Only commissioned vessels are given the United States Ship (USS) prefix, thus "USS Enterprise" for this motorboat is incorrect.
References
^ abcdConstruction & Repair Bureau (Navy) (November 1, 1918). Ships' Data U.S. Naval Vessels. Washington D.C.: U.S. Government Printing Office. pp. 350–355. Retrieved 3 January 2019.
^Naval History And Heritage Command. "Enterprise VI (S. P. 790)". Dictionary of American Naval Fighting Ships. Naval History And Heritage Command. Retrieved 3 January 2019.