"Sphère Ouvrages avant 1800." . . . . . "De sphaericis libri tres" . . "Theodosii De Sphaericis Libri Tres" . . . . "Theodosii De sphaericis libri tres" . "Theodosii De sphaericis libri tres, a Ioanne Vögelin Hailpronnensi ... restituta, & Scholijs ... illustrati" . "De Sphaericis" . . . . . . . . . . "Theodosii De Sphaericis : Libri Tres" . . . . "Theodosii de Sphæricis Libri tres" . "Theodosii De Sphaericis : libri tres" . . . . "De spaericis libri tres" . . . . . "Theodosii De sphaericis libri III" . . . . . . . . "Early works" . . . "De sphaericis libri III" . . . . . . . "Theodosii de sphaericis libri tres a Ioanne Voegelin ... & scholijs" . . . . . "De sphaericis" . . "Géométrie Ouvrages avant 1800." . . . .