Did you know the Royal Institute of British Architects holds one of the largest architectural collections in the world? Please take the RIBA Collections Survey (which you can access here) to help the RIBA shape the future of this major architectural archive, and be in with a chance to win £50 of RIBA Bookshop tokens. (You do not need to have used the collections or visited the Library to take part). The survey closes on Sunday 30 October.