Illinois architecture : from territorial times to the present : a selective guide / Frederick Koeper. — Chicago : London : The University of Chicago Press, 1975. — VI,304 p. : il. ; 20 cm. — ISBN 0-226-44993-9 1. Arquitectura s.19-20 - Estados Unidos-Illinois - guías. 2. Chicago. 72.036(773) 72(773)