Titles
- [H. J. Nichols]3
- [Hans Zinsser]3
- [Head x-ray]3
- [Helen B. Thompson]3
- [Henry V. Wùˆrdemann]3
- [Horatio C. Wood]3
- [Howard A. Kelly]3
- [Howard T. Ricketts]3
- [Il'ia Il'ich Mechnikov]3
- [Instrument]3
- [Jacques Loeb]3
- [James A. Shannon]3
- [James D. Glennan]3
- [James H. Means]3
- [James Tyson]3
- [James W. Van Dusen]3
- [Jar]3
- [Jeffries Wyman]3
- [John A. Wyeth]3
- [John L. Shepard]3