Loyson has signed the dedication while several pieces are signed "F. C.", who is also named in some privilege statements, and once identified as François Colletet. Several items are attributed to Colletet on the basis of privileges not appearing in all issues, or, in the case of Description des arcs de triomphe, occurring with the work under another title: Véritable explication en prose et en vers des figures ovales ... . Bibliographic authorities differ amongst themselves.Engraved t.p. with port. of Louis XIV and the shield of Paris precedes printed t.p.First of 15 pieces, each with its own t.p. bearing the imprint of Jean Baptiste Loyson (save one), Paris, 1660, all concerned with presence of Louis XIV and his bride in Paris that year....