In 1869, he designed the Buffalo State Asylum for the Insane (now known as the Richardson Olmsted Complex) in Buffalo, the largest commission of his career and the first appearance of his eponymous Richardsonian Romanesque style.
År 1869 ritade han Buffalo State Asylum for Insane (numera känt som Richardson Olmsted Complex) i Buffalo, det största uppdraget i början av hans karriär och det första exemplet på hans självbetitlade Richardsonian romanska stil.