Encyclopedias, Almanacs, Transcripts, and Maps
- infantile paralysis
- infantile sexuality
- infectious canine hepatitis
- Information Technology and Government
- Information Technology and Government
- Information Technology and U.S. Business
- Ingemann, Bernhard Severin
- Ingermanland
- Ingersoll
- Ingle, Richard
- Inglis, Charles
- Ingoldsby, Thomas
- Ingolstadt
- Ingraham, Hubert Alexander
- Ingram, Arthur Foley Winnington
- Inhambane
- Inhul
- Inhulets
- Ining
- Inkster
