He has served as a consultant to The Brookings Institution (1955); the Mental Health Research Institute of the University of Michigan (1955–56); the Canadian Royal Commission on Bilingualism and Biculturalism (1964–66); and as a Ford Professor (1960–61), funded by a grant from the Ford Foundation.
Royal Navy | Royal Air Force | Federal Communications Commission | Royal Dutch Shell | Royal Society | European Commission | Royal Albert Hall | Royal Shakespeare Company | Royal Opera House | Royal Victorian Order | Royal Engineers | Royal Australian Navy | Royal National Theatre | Royal Canadian Navy | Royal Canadian Air Force | Royal Court Theatre | Royal Marines | Royal Commission | Royal Academy of Music | Anne, Princess Royal | Royal Philharmonic Orchestra | Theatre Royal, Drury Lane | Royal Flying Corps | Royal Canadian Mounted Police | Royal Australian Air Force | Royal Artillery | Royal Festival Hall | Royal College of Art | Royal Botanic Gardens, Kew | British Royal Family |