Biography.com: Valla, Lorenzo: Concise entry on this 15th-century thinker.
Catholic Encyclopedia: Lorenzo Valla: Article by U. Benigni on the teachings of this Italian humanist.
Charles Nauert on Lorenzo Valla and Critical Method: Short article drawn from this author's 1995 work Humanism and the Culture of Renaissance Europe.
Columbia Encyclopedia: Valla, Lorenzo: Concise entry from the 2001 edition.
Of the True and the False Good: Excerpts from this 1431 work by Valla.
The Donation of Constantine and the Critique of Lorenzo Valla: Article which reconsiders Valla's dismissal of this document as forged, but finds his reasoning to have been sound.
Valla, Lorenzo: A short biography of the Renaissance thinker.