1. Theory of circulation by respiration: synopsis of its principles and history, written by request, for the "U.S. Journal of Homoeopathy" Author(s): Willard, Emma, 1787-1870 Publication: New-York : Francis Hart & Co., printers and stationers, 1861 Subject(s): Blood Circulation -- physiologyRespiration
2. A treatise on the motive powers which produce the circulation of the blood Author(s): Willard, Emma, 1787-1870 Publication: New York : Wiley and Putnam, 1846 Subject(s): Blood Circulation -- physiologyRespiration