Dictionaries, Thesauruses, Pictures, and Press Releases
- Jonquières, Ernest Jean Philippe Fauque De
- Jonston, John
- jorales
- Jordan, (Claude Thomas) Alexis
- Jordan, (Heinrichernst) Karl
- Jordan, Edwin Oakes
- Jordanus De Nemore
- Jotnian
- Jotnian orogeny
- Juan Y Santacilla, Jorge
- Jubaea
- Juday, Chancey
- Juel, Sophus Christian
- jugal bone
- Juglandaceae
- jugum
- Jukes, Joseph Beete
- Julius, Willem Henri
- jumping gene
- jumping spiders