Elsas, Oscar, 1871-1924. "Letter from Oscar Elsas to the Congressional Information Bureau." Georgia Institute of Technology. Library. Archives, Records Management and Digital Curation Department . 1914-09-21, https://exhibit-archive.library.gatech.edu/fulton_bag/item8e50.html?collection=ms004&filename=ms004-080.xml.

Elsas, Oscar, 1871-1924 (1914-09-21). Letter from Oscar Elsas to the Congressional Information Bureau. Retrieved from https://exhibit-archive.library.gatech.edu/fulton_bag/item8e50.html?collection=ms004&filename=ms004-080.xml

Elsas, Oscar, 1871-1924. "Letter from Oscar Elsas to the Congressional Information Bureau." 1914-09-21. August 7, 2025. https://exhibit-archive.library.gatech.edu/fulton_bag/item8e50.html?collection=ms004&filename=ms004-080.xml.