@book{bhlitem25554, title = {Annual report of the Director to the Board of Trustees for the year }, volume = {v.6:no.3 (1923)}, copyright = {In copyright. Digitized with the permission of the Chicago Field Museum. For information contact dcc@library.uiuc.edu.}, url = {https://www.biodiversitylibrary.org/item/25554}, note = {https://www.biodiversitylibrary.org/bibliography/87001}, publisher = {Chicago, U.S.A, Field Museum of Natural History, 1907-1943}, author = {Field Museum of Natural History.}, year = {1923}, pages = {148}, keywords = {Field Museum of Natural History|Natural history|Periodicals|}, }