@book{bhlitem43096, title = {Journal für Ornithologie }, volume = {Jahrg.69 (1921)}, copyright = {No known copyright restrictions as determined by scanning institution.}, url = {https://www.biodiversitylibrary.org/item/43096}, note = {https://www.biodiversitylibrary.org/bibliography/47027}, publisher = {Berlin, Friedländer, }, author = {Deutsche Ornithologen-Gesellschaft and Deutsche Ornithologische Gesellschaft and Allgemeine Deutsche Ornithologische Gesellschaft.}, year = {1921}, pages = {618}, keywords = {Birds|Ornithology|Periodicals|}, }