De Natura Rerum et Temporum Ratione. Libri Duo. Nunc recens inventi, & in lucem editi...
16 p.l., 74 leaves. Folio, later vellum-backed boards (foot of spine defective, occasional light soiling & dampstaining). Basel: H. Petri, 1529.
First edition of the two texts together. The De Temporum Ratione is a significant book in several ways. Most notably, “this book helped to establish the custom of counting years from the birth of Christ. When we say that Queen Elizabeth II was born in 1926 (not ‘in the 16th year of the reign of George V,’ or ‘in the year 2678 after the foundation of Rome,’ or in the ‘2nd year of the 481st Olympiad’), we are indebted... More
