Quattuor libri principiorum
Raymundus Lullus ; with an introductory note by R.D.F. Pring-Mill
(Mediaeval and Renaissance classics)
S.R. Publishers, 1969
Text in Latin, introduction in English
"Reprinted ... from Beati Raymundi Lulli Opera Omnia, I ... (Mainz. 1721)."
Includes bibliographical references
S.R. Publishers