Elsas, Oscar, 1871-1924. "Letter from Oscar Elsas to Victor Elsas." Georgia Institute of Technology. Library. Archives, Records Management and Digital Curation Department . 1920-09-07, https://exhibit-archive.library.gatech.edu/fulton_bag/itemd488.html?collection=ms004&filename=ms004-242.xml.

Elsas, Oscar, 1871-1924 (1920-09-07). Letter from Oscar Elsas to Victor Elsas. Retrieved from https://exhibit-archive.library.gatech.edu/fulton_bag/itemd488.html?collection=ms004&filename=ms004-242.xml

Elsas, Oscar, 1871-1924. "Letter from Oscar Elsas to Victor Elsas." 1920-09-07. June 21, 2025. https://exhibit-archive.library.gatech.edu/fulton_bag/itemd488.html?collection=ms004&filename=ms004-242.xml.