Wait please...
ICoW 1699
WORK AND BIBLIOGRAPHY
Title: Regulae, Ordinationes et constitutiones cancellarie apostolicae
Author(s): Sixtus IV, Pont. Max.
 
ICo 3745: Regulae, Ordinationes et Constitutiones cancellariae apostolicae, 2 Oct. 1471, post 1471-10-2 (PE)