Pancoast HK (November 1924). "Importance of Careful Roentgen-Ray Investigations of Apical Chest Tumors". JAMA: The Journal of the American Medical Association. 83 (18): 1407. doi:10.1001/jama.1924.02660180025007. ISSN0098-7484.
Pancoast HK (1932-10-22). "Superior Pulmonary Sulcus Tumor: Tumor Characterized by Pain, Horner's Syndrome, Destruction of Bone and Atrophy of Hand Muscles – Chairman's Address". Journal of the American Medical Association. 99 (17): 1391. doi:10.1001/jama.1932.02740690001001. ISSN0002-9955.
Pancoast HK (November 1924). "Importance of Careful Roentgen-Ray Investigations of Apical Chest Tumors". JAMA: The Journal of the American Medical Association. 83 (18): 1407. doi:10.1001/jama.1924.02660180025007. ISSN0098-7484.
Pancoast HK (1932-10-22). "Superior Pulmonary Sulcus Tumor: Tumor Characterized by Pain, Horner's Syndrome, Destruction of Bone and Atrophy of Hand Muscles – Chairman's Address". Journal of the American Medical Association. 99 (17): 1391. doi:10.1001/jama.1932.02740690001001. ISSN0002-9955.