Our records currently include books (about 130,000 including about 4,000 published before 1841), periodicals (approximately 1,300 current titles and a further 700 dead titles), manuscripts and archives (about 700 linear metres), drawings (over 400,000) photographs (75,000 prints 15,000 negatives, 18,000 slides and 10,000 postcards), printed ephemera (including about 10,000 biography files on architects), engravings, etchings, models, tape recordings, furniture, medals, coins, busts, portraits, paintings, etc.
Chaque catégorie englobe une grande diversité de types de documents.