Encyclopedias, Almanacs, Transcripts, and Maps
- Leo of Vercelli
- Leo Thaumaturgus, St.
- Leo V, Byzantine Emperor
- Leo V, Pope
- Leo VI, Byzantine Emperor
- Leo VI, Pope
- Leo VII, Pope
- Leo VIII, Pope
- Leo VI°
- Leo X, Pope
- Leo XI, Pope
- Leo XII, Pope
- Leo XIII, Pope
- Leo, Leonardo
- Leobard, Ss.
- Leobin of Chartres, St.
- Leodegar of Autun, St.
- Leon, Anthony James
- Leon, Harry Joshua
- Leon, Isaac de