@book{bhlitem20366, title = {The birds of Illinois and Wisconsin }, volume = {v.9 (1909)}, copyright = {NOT_IN_COPYRIGHT}, url = {https://www.biodiversitylibrary.org/item/20366}, note = {https://www.biodiversitylibrary.org/bibliography/55604}, publisher = {Chicago, 1909}, author = {Cory, Charles B. (Charles Barney),}, year = {1909}, pages = {776}, keywords = {59.82(77.3)|Birds|Illinois|Wisconsin|}, }