Encyclopedias, Almanacs, Transcripts, and Maps
- Isaacs, Edith Juliet
- Isaacs, Isaiah
- Isaacs, Jacob
- Isaacs, Jacob
- Isaacs, Joseph
- Isaacs, Nathan
- Isaacs, Nathaniel
- Isaacs, Sir Isaac Alfred
- Isaacs, Sir Jeremy
- Isaacs, Susan
- Isaacsohn, Siegfried
- Isaacson, Jose
- Isaak, Heinrich
- Isabella I, Queen of Castile
- Isabelle of France, Bl.
- Isaiah ?asid from Zbarazh
- Isaiah ben Abraham
- Isaiah ben Elijah di Trani
- Isaiah ben Mall di Trani
- Isaiah ben Uzziah Ha-Kohen