Catálogo de la Real Biblioteca.
Contributors: Navas, Juan Gualberto López-Valdemoro y de Quesada, conde de las, 1855-1935.
Published: 1910
Place of publication: Madrid
Language: spa
Subjects: History -- Bibliography -- Catalogs.; Libraries -- Spain.; Spain -- History -- Bibliography -- Catalogs.; Spain -- History -- Sources -- Bibliography.; Spain -- Kings and rulers.
Genres: Bibliography; Catalogs.; Sources; Bibliography.
Other titles: Autores-historia
Notes: Vol. 1, "Introducciôn, por Juan Gualberto López-Valdemoro de Quesada, conde de las Navas," with half-title: Noticia de algunas bibliotecas de reyes de España. It was also issued separately in a limited edition.

Vols.2-      "Ordenado e impreso bajo la dirección de Juan Gualberto López-Valdemoro de Quesada, conde de las Navas."

"Bibliografias" at end of each volume except the first.