L'expérience mystique de l'illumination intérieure chez Roger Bacon,

Mode of access: Internet.

Not heaven; a novel in the form of prelude, variations, and theme.

Mode of access: Internet.

A treatise on infinitesimal calculus, containing differential and integral calculus, calculus of variations, applications to algebra and geometry, and analytical mechanics.

Vol. 3 and 4 form the author's Treatise on analytical mechanics.