Search Results Use the search box below to revise your search, or start a new search. Studies (2) Variables Publications Your query returned 2 studies. Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. 1. Personnel Managers Study: Chile, 1963 (ICPSR 7052) Landsberger, Henry A. 2. Union Leaders Study: Chile, 1962 (ICPSR 7316) Landsberger, Henry A.