@book{bhlitem56337, title = {Natural history studies }, copyright = {NOT_IN_COPYRIGHT}, url = {https://www.biodiversitylibrary.org/item/56337}, note = {https://www.biodiversitylibrary.org/bibliography/17132}, publisher = {London, Andrew Melrose, ltd, [1920?]}, author = {Thomson, J. Arthur (John Arthur),}, year = {}, pages = {264}, keywords = {Natural history|}, }