@book{bhlitem25643, title = {Report of the Director to the Board of Trustees for the year ... }, volume = {1961}, copyright = {In copyright. Digitized with permission of the Field Museum of Chicago. Contact dcc@library.uiuc.edu for information.}, url = {https://www.biodiversitylibrary.org/item/25643}, note = {https://www.biodiversitylibrary.org/bibliography/86351}, publisher = {[Chicago], The Museum, [1944]-1963}, author = {Chicago Natural History Museum.}, year = {1944}, pages = {176}, keywords = {Chicago Natural History Museum|Natural history|Periodicals}, }