Encyclopedias, Almanacs, Transcripts, and Maps
- Jersey Devil
- Jerusalem Fever
- Jervell and Lange-Nielsen Syndrome
- Jervell and Lange-Nielsen syndrome
- Jesodoth
- Jesus, Master
- Jets and Fragmentation
- Jettatura
- Jewish Perspectives
- Jia Xien
- Jillian Michaels Diet
- Jinnistan
- João Gonçalves Zarco
- João Gonçalves Zarco Inaugurates the Era of Portuguese Exploration with the Rediscovery of the Madeira Islands, 1418-20
- Jobson, Mary (ca. 1840)
- Jocelyn Bell Burnell
- Johan Carl Wilcke
- Johan de Witt
- Johan Gadolin
- Johan Gottlieb Gahn