@book{bhlitem59314, title = {The evolution of bird-song : with observations on the influence of heredity and limitation }, copyright = {NOT_IN_COPYRIGHT}, url = {https://www.biodiversitylibrary.org/item/59314}, note = {https://www.biodiversitylibrary.org/bibliography/1134}, publisher = {London, A. and C. Black, 1896}, author = {Witchell, Charles A. (Charles Aldolphus),}, year = {}, pages = {276}, keywords = {59.82:15,8|Birdsongs|}, }