Argentina / N.C. de Kohan
Armenia / H.S. Pambookian
Austria / G. Guttmann, S.C. Etlinger
Brazil / A.M.B. Biaggio, R.E. Grinder
Canada / T.P. Hogan, M.P. Janisse
Cuba / G. Bernal, W. Rodríguez
Czechoslovakia / D. Dováč
Dominican Republic / A. E. Pacheco
Egypt / F.A.-L.H. Abou-Hatab
German Democratic Republic / A. Kossakowski
Hungary / J. László, C. Pléh
Iran / I. Ayman, R. Ayman
Ireland / T. Brady, J. McLoone
Israel / Y. Amir, R.b. Ari
Mexico / R. Diaz-Loving, P.V. Iturbe
The Netherlands / H.M. van der Ploeg
New Zealand / G. Shouksmith
Philippines / E.Aldaba-Lim
Romania / M. Grigoroiu-Serbănescu
Switzerland / R. Burckhardt, R. Droz.
Union of Soviet Socialist Republics / A. Kozulin
United Kingdom / J.D. Hogan, V.S. Sexton
Density of psychologists around the world.
