[043-03]The Ligneous Flora of Richland County, Illinois, by Robert Ridgway, an Unpublished Manuscript
Fuller, George D. The Ligneous Flora of Richland County, Illinois, by Robert Ridgway, an Unpublished Manuscript 043-03-print
Fuller, George D. The Ligneous Flora of Richland County, Illinois, by Robert Ridgway, an Unpublished Manuscript 043-03-print