@book{bhlitem25575, title = {Report of the Director to the Board of Trustees for the year ... }, volume = {1943}, copyright = {NOT_IN_COPYRIGHT}, url = {https://www.biodiversitylibrary.org/item/25575}, note = {https://www.biodiversitylibrary.org/bibliography/86351}, publisher = {[Chicago], The Museum, [1944]-1963}, author = {Chicago Natural History Museum.}, year = {1943}, pages = {136}, keywords = {Chicago Natural History Museum|Natural history|Periodicals}, }