Encyclopedias, Almanacs, Transcripts, and Maps
- Artificial heart and heart valve
- Artificial Heart and Heart Valve
- Artificial Hearts and Cardiac Assist Devices
- Artificial Morality
- Artificial Nutrition and Hydration
- Artificial preservatives
- Artificial vision
- Artificial Vision
- Artificiality
- Arum family (Araceae)
- Arum Family (Araceae)
- Arundale, George Sydney (1878-1945)
- Aryabhata II
- Aryabhata the Elder
- Aryabhata the Elder
- As You Like It Library
- Asal
- Asana, Jehangir Jamasji (1890-1954)
- Asatru
- Asatru Alliance