found: Its Regiae Bibliothecae Matritensis codices graeci mss., 1769:t.p. (Regiae Bibliothecae Matritensis)
found: Its Complément du catalogue des manuscrits grecs de la Bibliothèque royale de Madrid, 1897:t.p. (Bibliotheque royale de Madrid) [info. from InU]
found: Arribas Arranz, F. Unformulario documental del siglo XV de la Cancillería Real Castellana, 1964:p. 9 (Biblioteca del Palacio Nacional de Madrid) p. 20 (Biblioteca del Palacio Nacional)
found: López Serrano, M. Palacio Real de Madrid, 1960:p. 111 (the Palacio Real de Madrid is also known as the Palacio de Oriente) p. 97 (in the lower floor of the Palacio is the ancient Biblioteca Real, in 24 rooms containing mss., printed books, musical works, maps and drawings, prints, coins and medals)
found: Boone, E.H. The Codex Magliabechiano, c1983:p. 6 (Biblioteca del Palacio de Oriente)
found: Almendariz, R. Estampas de Palenque, 1993:label on pastedown of upper cover (Biblioteca del Rey N[uestro] Señor); on pastedown of lower cover (Biblioteca del Palacio Real de Madrid)
found: World of learning, 1994(Biblioteca del Palacio Real; Calle Bailén s/n, 28071 Madrid; f. 1760)
found: Trazas de Juan de Herrera y sus seguidores, 2001:p. 15 (Real Biblioteca del Palacio Real de Madrid)