1. University of Pennsylvania, Ms. Codex 188 Title: Los Benavides : comedia original manuscrita / Author: Félix Lope de Vega y Carpio Place: Madrid Date: 1600.
2. The Huntington Library, Art Museum, and Botanical Gardens, mssHM 21721 Title: Letter to the Dominicans in Chiapa and Guatemala Author: Bartolomé de Las Casas Place: Madrid Date: 1563
3. University of California, Berkeley, BANC MS UCB 143 v.19 Title: Mathematical texts Author: Stefano Bramieri Place: Madrid Date: 17--?
4. University of California, Berkeley, BANC MS UCB 143 v.80 Title: Speeches Author: Luis Valle de la Cerda Place: Madrid Date: 1599.
5. University of California, Berkeley, BANC MS UCB 143 v.92 Title: Desengaño de Rey Author: Mateo de Lisón y Biedma Place: Madrid and Granada Date: 1623.
6. University of California, Berkeley, BANC MS UCB 143 v.97 Title: Text concerning the Order of the Golden Fleece Place: Madrid Date: 1590.