Dictionaries, Thesauruses, Pictures, and Press Releases
- Klebs, Georg Albrecht
- Klebsiella
- Klein, Harold P.
- Klein, Hermann Joseph
- Klein, Jacob Theodor
- Klein, Oskar Benjamin
- Kleinenberg, Nicolaus (Nicolai)
- Kleist, Ewald Georg von
- Klenk, Ernst
- Klingenstierna, Samuel
- klino-kinesis
- klino-kinesis
- klino-taxis
- klino-taxis
- klinostat
- klipfish
- Klūgel, Georg Simon
- Klüver, Henrich
- knee twin
- knee-jerk reflex