"… Annual report."; "Illinois Historic Preservation Agency.", "Illinois State Historical Society."; "Illinois State Historical Society--Periodicals.", "Illinois Historic Preservation Agency--Periodicals."; "Illinois--History--Sources--Conservation and restoration--Periodicals."; "Historic preservation--Illinois--Periodicals."; "Illinois State Historical Society.", "Illinois Historic Preservation Agency."; "1988"; "

Serial. Printed Ephemera Collection has: 1988.

"; ""; "P16206"; "pec"; "Illinois--History--Sources--Conservation and restoration--Periodicals.", "Illinois State Historical Society--Periodicals.", "Historic preservation--Illinois--Periodicals.", "Illinois Historic Preservation Agency--Periodicals."; "14256"; .