Dept. of Geography, the University of Chicago1962Research paper / the University of Chicago, Department of Geography
no. 73 , Research paper / University of Chicago, Program of Education and Research in Planning
no. 4
University of Chicago1957Research paper / University of Chicago, Program of Education and Research in Planning
no. 3 , Research paper / the University of Chicago, Department of Geography
no. 47
University of Chicagoc1955Research paper / the University of Chicago, Department of Geography
No. 39 , Research paper / University of Chicago, Program of Education and Research in Planning
No. 1
