References
- Canal Zone Report. This is an unpublished document obtained from the University of Virginia Law Library, Charlottesville, Virginia, through the courtesy of Drs. Richard J. Bonnie and Charles H. Whitebread II. Page references are cited in accord with the pagination as established for the document by Bonnie and Whitebread
- Siler J.F., Sheep W.L., Bates L.B., Clark G.F., Cook G.W., Smith W.A. Mariajuana smoking in Panama. Milit. Surg. 1933; 73: 269–280