Fuller, G. D. «Reviewed work: Check List of the Forest Trees of the United States, Their Names and Ranges by G. B. Sudworth». Botanical Gazette, 84, 3, novembre 1927, pàg. 332. DOI: 10.1086/333796. JSTOR: 2470597.
«Sudworth, George Bishop». District of Columbia: Concise biographical dictionary of its prominent and representative contemporary citizens, 1908, pàg. 456.
Fuller, G. D. «Reviewed work: Check List of the Forest Trees of the United States, Their Names and Ranges by G. B. Sudworth». Botanical Gazette, 84, 3, novembre 1927, pàg. 332. DOI: 10.1086/333796. JSTOR: 2470597.