Bradwardine, Thomas, 1290?-1349.
Thomas of Bradwardine, his Tractatus de proportionibus; its significance for the development of mathematical physics. Edited and translated by H. Lamar Crosby, Jr.
Bradwardine, Thomas, Abp. of Canterbury, 1290?-1349.
Mathematics -- Early works to 1800.
Proportion.
Crosby, Henry Lamar, 1916- editor.
Tractus de proportionibus.