Health departments of states and provinces of the United States and Canada.
Compilation by John A. Ferrell ... Wilson G. Smillie ... Platt W. Covington ... Pauline A. Mead ... International Health Division of the Rockefeller Foundation for the Conference of State and Provincial Health Authorities of North America. Prepared by direction of the Surgeon General.
Ferrell, J. A. (John Atkinson)., Mead, P. A.., Covington, P. W. (Platt Walker)., Smillie, W. George. (1932). Health departments of states and provinces of the United States and Canada. Washington: U.S. Govt. Print. Off..
Ferrell, John A. (John Atkinson), 1880-1965, Pauline A. Mead, Platt W. (Platt Walker) Covington, and Wilson George Smillie. Health Departments of States And Provinces of the United States And Canada. Washington: U.S. Govt. Print. Off., 1932.
Warning: These citations may not always be complete (especially for serials).