Moltes de les làmpades anteriors estan il·lustrades i descrites a Houston, Edwin J. Electric Incandescent Lighting. New York: The W. J. Johnston Company, 1896, p. 18–42.
«Reports of Companies». A: Electrical Engineer, Volume 10. Electrical Engineer. «The Consolidated Company was the successor of the Electro-Dynamic Light Company of New York, the first company organized in the United States for the manufacture and sale of electric incandescent lamps, and the owner of a large number of patents of date prior to those upon which rival companies were depending.... The United States Electric Lighting Company was organized in 1878, a few weeks after the Electro-Dynamic Company»
«Electric Light News». A: Electrical Review, Volume 16. Delano. «The United States Electric Lighting Company was organized in 1878, a few weeks after the Electro-Dynamic Light Company»
«The Westinghouse Electric Company». A: Western Electrician. Electrician Publishing Company. «The United States Electric Lighting Company was organized in 1878 a few weeks after the Electro-Dynamic company, and was the successor of the oldest company in the United States for the manufacture of electric power apparatus»
Història de la bombeta elèctrica a l'USPTO(anglès) granted 27 January 1880. "a carbon filament or strip coiled and connected... to platina contact wires."... "cotton and linen thread, wood splints, papers coiled in various ways,"