- Shippen Mansion, res. of Dr. B. Rush1
- Sight and hearing: how preserved, and how lost2
- Silver sutures in surgery: the anniversary discourse before the New York Academy of Medicine, delivered in the new building of the Historical Society on November 18, 18571
- Silver-knife, or, The hunters of the Rocky Mountains: an autobiography1
- Sir, I beg leave to call your attention to a new medical discovery, for the cure of pulmonary consumption, which has but recently been introduced to the public of this country, under the name of Fousel's pabulum vitae1
- Site of the Proposed Fever Station, Seguine's Point, Staten Island]1
- Sitz bath & wet sheet : 6 o'clock winters morng. [sic]1
- Six discourses on the functions of the lungs: and causes, prevention, and cure of pulmonary consumption, asthma, and diseases of the heart : on the laws of life, and on the mode of preserving male and female health to a hundred years1
- Six lectures on the functions of the lungs: and causes, prevention, and cure of pulmonary consumption, asthma, and diseases of the heart : on the laws of life : and on the mode of preserving male and female health to a hundred years : also a treatise on medicated inhalation1
- Sketch of the life and character of John D. Fisher, M.D1
- Sketches of Liberia: comprising a brief account of the geography, climate, productions, and diseases of the Republic of Liberia : to which is added a brief sketch of the history of Liberia, and a succinct account of the customs and superstitions of the contiguous native tribes1
- Sketches of Rhode Island physicians deceased prior to 18501
- Sloan U.S. Army General Hospital Records1
- Small and simple doses contrasted with bleeding and confused drugging, or, Homoeopathy vs. allopathy: a lecture delivered before the Homoeopathic Medical Society of Canada, at its annual meeting in Hamilton, May 15, 1855, and repeated by request in the city of Toronto, June 23, 18551
- Smith's homoeopathic directory of the United States2
- Snow Chrystals1
- Sobre la naturaleza y las diferencias clinicas de la disenteria : memoria1
- Soldiers' graves at Bull Run1
- Some account of a secret society in New-York, entitled the "Kappa-Lambda": in a letter to Alexander H. Stevens1
- Some account of the Proteus anguinus1