Council of State Governments.
Ree Adamson Fraelich
Stéphane Lupasco
Willis Barnstone
Inocencio B. Pareja
T. Paakkari
Hermann Priebe
H. N. Visser
Lagos State, Nigeria. Tribunal of Inquiry into the Administration and Financial Management of Ajeromi, Ikeja, Mushin and Agege District Councils.
Gabon. Service national de la statistique.
Kenya Institute of Administration. Dept. of Local Government.
Alick West
Serge A. Vioux
J. V. D'Cruz
France. État-Major des forces armées. Division "Organisation."
Zoltán Király