@book{bhlitem62649, title = {Field manual of trees; including southern Canada and the northern United States to the southern boundary of Virginia, Kentucky and Missouri, westward to the limits of the prairie }, copyright = {NOT_IN_COPYRIGHT}, url = {https://www.biodiversitylibrary.org/item/62649}, note = {https://www.biodiversitylibrary.org/bibliography/22158}, publisher = {Columbus, Ohio, R. G. Adams, 1922}, author = {Schaffner, John H. (John Henry),}, year = {}, pages = {166}, keywords = {Trees|United States|}, }