sentences:  Over the next few years the NBR attracted donations from amateur photographers, people who possessed drawings and owners of collections of negatives.By the end of the war the collection had grown to such size and importance that it was continued and was funded by the Treasury.The 1944 and 1947 Town and Country Planning Acts were important for the NBR as they meant that lists of buildings of architectural and historic importance were started, and the NBR had to be informed before an historic building was demolished.