CSIC Catalogue The Documentation Centre is categorized as an ‘associated library’ in the CSIC Library Network. Its Library and Multimedia Collections, along other related specialist libraries in Spain, can be consulted online through the CSIC Catalogue. To identify documents available in the Documentation Centre, apply the search filter ‘Library / Archive / Provider’ on the right side of the results page and select ‘Natural Science Museum of Barcelona’. The code ‘B-CienNat’ is featured in each bibliographic entry. Materials belonging to the Multimedia Collection are identified with the code ‘MED’. Institute of Culture (Barcelona City Council) catalogue of museum libraries and archives: Consult the catalogue here.