Dr. William Cullen calls this disease "Cynanche Trachealis."
"This name has been given to an inflammation of the glottis, larynx, or upper part of the trachea, whether it affect the membranes of these parts, or the muscles adjoining. It may arise first in these parts, and continue to subsist in them alone; or it may come to affect these parts, from the cynanche tonsillaris or maligna spreading into them. In either way it has been a rare occurrence, and few instances of it have been marked and recorded by physicians. It is to be known by a peculiar ringing sound of the voice, by difficult respiration, with a sense of straitening about the larynx, and by a pyrexia attending it."
We will now refer to the writings of Bartholomew Parr, M.D.
"In compliance with Dr. Johnson and consonantly with our observations in a former article, we mention this
EARLEY CR. CROUP.Read in the Section of Diseases of Children at the Forty-first Annual Meeting of the American Medical Association, Nashville, Tenn., May 21, 1890.. JAMA. 1890;XV(1):6-8. doi:10.1001/jama.1890.02410270022001b