Creator
- Noguchi, Hideyo, 1876-19282
- Nogueira, Pedro4
- Osgood, L.1
- Otis, Charles E.1
- O’Reilly, Robert M. (Robert Maitland), 1845-19121
- Peabody, James Edward, 1869-8
- Penrose, Mary L.1
- Pinto, A.S.2
- Pogolotti, Luis B.2
- Polier, Justine Wise, 1903-19871
- Ramos, Domingo F., 1884-1966?3
- Ravenel, Mazÿck Porcher1
- Recio, Alberto1
- Reed, Christopher1
- Reed, Emilie M. (Blossom)1