Encyclopedias, Almanacs, Transcripts, and Maps
- Karl Guthe Jansky
- Karl Martin Leonhard Albrecht Kossel
- Karl Pearson
- Karl Richard Lepsius
- Karl Schwarzschild
- Karl Theodor Wilhelm Weierstrass
- Karl Wilhelm Feuerbach
- Karl Wilhelm von Nägeli
- Karl Ziegler
- Karol Borsuk
- Karst Topography
- Karst Topography
- Karst Topography
- Kartagener syndrome
- Kartagener Syndrome
- Karyotype
- Karyotype
- Karyotype and Karyotype Analysis
- Karyotype and Karyotype Analysis
- Kasai, Kentaro