"District of Columbia Deaths, 1874-1961," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:F7YB-XM4 : accessed 18 June 2019), Lucien G. Heneberger, 03 Aug 1919, District of Columbia, United States; citing reference ID CN254221, District Records Center, Washington D.C.; FHL microfilm 2,115,890.
Annual Reports of the Navy Department for the Year 1898, by the Office of the Secretary of the Navy. Washington: Government Printing Office, 1898. https://books.google.com/books?id=UStHAQAAIAAJ
Lucien Guy Heneberger on the Find-a-Grave website. Data uploaded 22 August 2007 by Find-a-Grave contributor "46877736" and curated subsequently by contributor "CMWJR".