Note 80 — BULLETIN OF THE NUTTALL ORNITHOLOGICAL CLUB. VOL. VII. July, 1882. No. 3.
Reading edition
Field Notes on Louisiana Birds. By Dr. F. W. Langdon. Journal of the Cincinnati Society of Natural History, July, 1881, pp. 145–155. A List of Birds from the Lower Mississippi Valley, Observed During the Summer of 1881, with Brief Notes. By O. P. Hay. Bull. Nutt. Ornith. Club, Vol. VII, pp. 89–94.