- Untrodden fields of anthropology: observations on the esoteric manners and customs of semi-civilized peoples, being a record of thirty years' experience in Asia, Africa, America and Oceania1
- Ununited fracture1
- Unusual cases of abdominal section1
- Unusual mode of transmission in a case of dermatitis venenata1
- Unveiled, or, Scenes in the practice of a New York surgeon1
- Upon a case of foaming liver (Schaumleber) with the development of gaseous bullæ in various organs, due to the presence of the bacillus aerogenes capsulatus1
- Upon the bacteriology of progressive cirrhosis of the liver1
- Upon the existence of a minute micro-organism associated with cases of progressive portal cirrhosis1
- Ureteral anastomosis1
- Uretero-ureteral anastomosis1
- Uretero-ureteral anastomosis -- uretero-ureterostomy1
- Urethroscopy in chronic urethritis: The largest catheter always1
- Uric acid as a factor in the production of hay fever1
- Uric-acid leukomains as factors in the etiology of migraine and kindred nervous diseases1
- Urinalysis, including blanks for recording the analysis and microscopic examination of the urine: for medical practitioners, life insurance examiners, and specialists1
- Urinary analysis as a means of diagnosis1
- Urogenital blenorrhœa in children1
- Use and disuse1
- Use of resorcine in whooping-cough1
- Uses of mental science: with addresses delivered before the American Institute of Phrenology, 18901