Not only are all the major British architects of the last four hundred years represented, but many European (especially Italian) and American architects' drawings are held in the collection. The RIBA's holdings of over 330 drawings by Andrea Palladio are the largest in the world, other Europeans well represented are Jacques Gentilhatre and Antonio Visentini. British architects whose drawings, and in some cases models of their buildings, in the collection, include: Inigo Jones, Sir Christopher Wren, Sir John Vanbrugh, Nicholas Hawksmoor, William Kent, James Gibbs, Robert Adam, Sir William Chambers, James Wyatt, Henry Holland, John Nash, Sir John Soane, Sir Charles Barry, Charles Robert Cockerell, Augustus Welby Northmore Pugin, Sir George Gilbert Scott, John Loughborough Pearson, George Edmund Street, Richard Norman Shaw, Alfred Waterhouse, Sir Edwin Lutyens, Charles Rennie Mackintosh, Charles Holden, Frank Hoar, Lord Richard Rogers, Lord Norman Foster, Sir Nicholas Grimshaw, Zaha Hadid and Alick Horsnell.