Third international Conference on hides, skins and bones : held at Geneva from August 29th to September 11th, 1929 : proceedings of the conference.
League of Nations.
International Conference on hides, skins and bones(3rd :1929 :Geneva)
Geneva : League of Nations,
1930.
"Geneva, January 20th, 1930."
"Official no.: C.92.M.18.1930.II."