Subject
- Iraq2
- Iraq--Baghdad1
- Isoprene1
- Isotopes1
- Israel2
- Italy1
- Iwo Jima, Battle of (Japan : 1945)1
- Japan4
- Japan--Hiroshima-shi2
- Jewish scientists1
- Joliot-Curie, Frédéric2
- Joliot-Curie, Irène, 1897-19561
- Justus Liebig-Universität Giessen1
- Kekulé, August, 1829-18964
- Kentron Pyrēnikōn Ereunōn "Dēmokritos"1
- Korea (South)1
- Krypton1
- Laboratories--Equipment and supplies1
- Latex1
- Lavoisier, Antoine Laurent, 1743-17941