『Regional Survey of New York and Its Environs』(3冊セット=第6,7,8巻)1929-1931年 ニューヨークとその近郊の地域調査書
RPA | Regional Plan of New York and Its Environs,RPA | Regional Plan of New York and Its Environs,Plan of the city of New-York : the greater part from actual,An Aeril View of New York City Showing How Easily the Weary,1919 Official Map Of New York State, National Survey Co