Bibliotheca Arabico-Hispana Escurialensis, sive, Librorum omnium Mss. quos Arabicè ab auctoribus magnam partem Arabo-Hispanis compositos Bibliotheca Coenobii Escurialensis complectitur (1760)
Escorial. Real Biblioteca · Matriti : Antonius Perez de Soto imprimebat · leaf 2
BIBLIOTHECA M1CHAELIS CHASLES ACAD. SCIENTIAR SOCII
Escorial. Real Biblioteca · Manuscripts, Arabic -- Spain -- San Lorenzo del Escorial · Catalogs -- Spain -- 18th century
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.