American Medical Association; HighWire Press (10 July 1915). "A History of Botanic Gardens". JAMA: The Journal of the American Medical Association. 65 (2) (Public domain ed.). American Medical Association.: 170–. doi:10.1001/jama.1915.02580020036016. Retrieved 7 January 2012.
doi.org
American Medical Association; HighWire Press (10 July 1915). "A History of Botanic Gardens". JAMA: The Journal of the American Medical Association. 65 (2) (Public domain ed.). American Medical Association.: 170–. doi:10.1001/jama.1915.02580020036016. Retrieved 7 January 2012.