Alfred Brehm

International Ornithologists' Union. August 2022 [7 November 2022].  Brehm, Alfred. Beschluss der Uebersicht der deutschen Vögel. Isis von Oken. 1830,

Bertha Rees (fl. 1912) Bref. - Julius Oscar Brefeld (1839–1925) Brehm - Joachim Brehm (1789–1860) Breistr. - Maurice A. F. Breistroffer (1910–1986) Breitw

ISBN 0-415-22441-1. （原始内容存档于2013-02-11）.  引文格式1维护：冗余文本 (link) Brehm, Alfred Edmund. Brehm's Life of Animals. Chicago: A. N. Marquis & Company. 1895.  Estes

Diversity Web. [2023-08-20]. （原始内容存档于2023-04-16） （英语）.  Coward, T. A. (Thomas Alfred). The birds of the British Isles and their eggs. London ; New York: F. Warne

PMC 6457769 . PMID 27595415. doi:10.1002/14651858.cd011511.pub2.  Paul G, Brehm JM, Alcorn JF, Holguín F, Aujla SJ, Celedón JC. Vitamin D and asthma. American