Encyclopedias, Almanacs, Transcripts, and Maps
- Johannes Hartmann
- Johannes Hevelius
- Johannes Hispalensis
- Johannes Holwerda
- Johannes Marcus Marci von Kronland
- Johannes Regiomontanus
- Johannes Schöner
- Johannes Scultetus
- Johannes Widman
- Johannites
- John (Damian), Master, the French Leich
- John A. Macready
- John Abernethy
- John Adam Dagyr
- John Aiken
- John Alcock
- John Arbuthnot
- John Arbuthnot
- John Archibald Wheeler
- John Backus