De Doctrina Temporum Commentarius in Victorium Aquitanum nunc primùm post M.C. LXXVII. annos in luceum editum, aliosq. antiquos canonum Paschalium scriptores, chronologiæ ecclesiasticæ illustrandæ ac stabiliendæ utilissimos

Antverpiæ: Ex Officinia Plantiniana Balthasaris Moreti, 1634 [but 1633?]. First Edition. Folio (32cm.); recent full blue crushed morcco, gilt-lettered spine; xxxii,500pp. (* - 4*4 A-3R4); title page printed in red and black, woodcut initials and head- and tail-pieces. Slightly ex-library with mid-20th century rubberstamp to title page, title page separated but present (and rather browned), new front free endpapers, though retaining original rear free endpaper, else a Very Good, internally sound copy in an attractive and sturdy new binding. At head of title: "Ægidii Bucherii Atrebatis e Societate Iesu." Colophon publication date 1633. The French Jesuit's study of chronological documents in regards to computing Easter dates, partly based on the ancient text the Chronograph of 354.