Using archives and libraries in Barcelona: Most archives and libraries require official ID; you may be asked to show your passport. Library and archive hours vary; in July some open only during the morning (until 2pm).
Archivo de la Corona de Aragón: c/ Almogàvers, 77. This is one of Europe’s great medieval archives. It has an extensive and diverse body of documentation from the eighth to the seventeenth centuries, including material on the Crown of Aragon, Italy, France, North Africa and the Eastern Mediterranean.
Consejo Superior de Investigaciones Científicas: c/Egipcíaques, 13. Spain’s national research council has a branch in Barcelona, the Institució Milà i Fontanals, which has an important Department of Medieval Studies, of Musicology, and History of Science. The library is available for our use and has an excellent and up-to-date collection of material in Castilian, Catalan, English and other European languages; the catalog is on-line.
Biblioteca Nacional de Catalunya: c/ Hospital, 56. Housed in the city’s medieval hospital, the national library specializes in Catalan and Spanish publications and also has manuscripts. A partial catalog is on-line.
Universitat de Barcelona: This library has several branches, including Literature and Philology and Philosophy, Geography and History, both located in or near the Old City. The collection is particularly strong for Catalan and Spanish history and letters; there is also a manuscript collection.
The Catalan universities have a consolidated on-line catalog.
Other archives and libraries
Other important local archives include: the Cathedral Archive, Notarial Archive, and Municipal Archive.
Happy Books (Pelai, 2 & Portal de l'Angel) - travel books, maps, inexpensive art books
FNAC(plaça de Catalunya) - wide range of books in Spanish & Catalan, some in English
La Central (Mallorca, 237) - mega book store with excellent history and lit sections in Spanish, Catalan & English
Laie(Pau Claris, 85) excellent books shop cafe
Casa del Llibre (Paseo de Gracia) Spanish & Catalan, good for art, history, lit
Proa (Rosselló 212) Catalan literature and culture
Alibri (formerly Herder; Balmes 26) Catalan literature and history
Institut d'Estudis Catalans(adjacent to the Biblioteca Nacional) books on Catalan culture, history, literature and archeology
The ACA also has some collections of documents available.