Mosquito-borne diseases.
By: Issued by the Health Department for use in the public schools of the Canal Zone.
Contributors: Ashburn, P. M. 1872-1940.
Publisher: Govt. Print. Off.
Published: 1914
Place of publication: Washington
Language: eng
Number of pages: 19
Subjects: Mosquitoes -- Control.; Tropical medicine.; Public schools -- Panama -- Canal Zone.
Notes: Prepared by the Health Department; copyright by P.M. Ashburn.