The making of the American landscapeMichael P. Conzen · First published 1990 · Latest edition 2010Open the Tome
Historical geography and the life of the mind in the Upper Illinois ValleyMichael P. Conzen · First published 1995Open the Tome
A scholar's guide to geographical writing on the American and Canadian pastMichael P. Conzen · First published 1993Open the Tome
Illinois county landownership map and atlas, bibliography and union listMichael P. Conzen · First published 1991Open the Tome