@book{bhlitem51998, title = {Our ducks; a history of American ducks, nesting, roosting, feeding, and playing grounds; habits throughout the year }, copyright = {Public domain. The BHL considers that this work is no longer under copyright protection.}, url = {https://www.biodiversitylibrary.org/item/51998}, note = {https://www.biodiversitylibrary.org/bibliography/15211}, publisher = {Chicago, The American field publishing co, 1899}, author = {Yorke, Frederick Henry.}, year = {}, pages = {140}, keywords = {Ducks}, }