1. University of Pennsylvania, Oversize LJS 97 Title: Commentarius in Claudii Ptolemaei Harmonica Author: Porphyry Place: Spain Date: [between 1560 and 1580?]
2. Harry Ransom Center, MS 3327, Container 201 Title: Minutes relating to budgeting Author: Philip II of Spain Place: Spain Date: 1584 February 9
3. Free Library of Philadelphia, Lewis E 245 Title: Fuero real Author: Alfonso X of Castile and Leon Place: Spain Date: 1255-1299