Applied psychology edited and with an introduction by Horst Gundlach

Originally published 1922-1958 by various publishers. Original volumes cataloged separately. Includes bibliographical references and index. English, French, German, and Russian VOLUME - ISBN <ul> <li>vol - 2 - 9780415172172 -The Second Congress - Barcelona -1921</li> <li>vol - 3 - 9780415172189 - The Third Congress - Milan - 1922 </li> <li>vol - 5 - 9780415172202 -The Fifth Congress - Utrecht - 1928</li> <li>vol - 6 - 9780415172219 - The Sixth Congress - Brcelona - 1930</li> <li>vol - 8 - 9780415172233 - The Eighth Congress - Prague - 1934</li> <li>vol - 9 - 9780415172240 - The Ninth Congress - Berlin -1949 </li> <li>vol - 10 -9780415172257 -The TheTenth Congress -Gothenburg - 1951 </li> <li>vol - 12 -9780415172271 - The Twelth Congress - London -1955</li> <li>vol - 13 -9780415172288 - The Thirteenth Congress - Rome - 1958</li> </ul>