American Decades:
- Grissom, Virgil I. ("Gus") 1926-1967 (1960's Science and Technology)
Biographies:
- Grissom, Virgil "Gus" (The Sixties in America)
Encyclopedia:
- Virgil (The Oxford Companion to English Literature)
- Solis, Virgil (The Oxford Dictionary of Art)
- Thomson, Virgil (Baker's Student Encyclopedia of Music)
