Digital Surrogates of the Student's Architectural Drawings includes color plates of Architectural designs by N. Clifford Ricker including floor plans and sectional views of building for which there is no front elevation (1870-72); from elevation of Corn Exchange, London (1872); design for a villa - front elevation and floor plans (1872); Exchange Building in Romanesque style (1872); building in Gothic style (1872) and a plate of the Loggia of the Lions, Villa Borghese, Rome - not signed by Ricker.