Subject
- Korff, Serge A. (Serge Alexander), 1906-19891
- Kortüm, Gustav, 1904-19901
- Krause, Erika1
- Krehl, Ludolf von, 1861-19371
- Krieger, Charles I1
- Kristallnacht (1938)1
- Kronstien, Abraham1
- Ku Klux Klan (1915- )1
- Kungl. Lantbruksakademien (Sweden). Experimentalfältet1
- Kunzinger, Arthur1
- Kusk, Gustave1
- König, Walter Georg, 1878-19641
- La Guardia, Fiorello H. (Fiorello Henry), 1882-19471
- Laboratories--Furniture, equipment, etc.1
- Ladenburg, Rudolf Walter, 1882-19521
- Laeuger, Max, 1864-19521
- Lakes1
- Landsberger, Herbert1
- Langevin, Paul, 1872-19461
- Latin America1