1. University of California, Berkeley, BANC MS UCB 143 v.32 Title: Treatise on government Author: Hernando Hernández de Valderrueda Place: Spain Date: 1553.
2. University of California, Berkeley, BANC MS UCB 143 v.118 Title: Treatise concerning government Author: Hernando Hernández de Valderrueda Place: Spain Date: approximately 1553.