Broadway theatre | Massachusetts Institute of Technology | ATP International Series | International Monetary Fund | International Red Cross and Red Crescent Movement | ATP International Series Gold | International Space Station | West End theatre | musical theatre | Amnesty International | California Institute of Technology | International Olympic Committee | Art Institute of Chicago | BirdLife International | Royal National Theatre | International Finance Corporation | Institute for Advanced Study | theatre | Royal Court Theatre | International Organization for Standardization | American Institute of Architects | International Telecommunication Union | International Criminal Court | American Ballet Theatre | One Day International | International Nonproprietary Name | International Labour Organization | Georgia Institute of Technology | International Civil Aviation Organization | International Boxing Federation |
In 1976 Howard was made a CBE in recognition of his services to dance, and in 1989 he was elected President of the International Dance Council of the International Theatre Institute.