Society of Jesus | Royal Society | National Geographic Society | Scottish people | American Cancer Society | Scottish Gaelic | London, Midland and Scottish Railway | Scottish Premier League | Royal Television Society | American Physical Society | Scottish Parliament | Scottish Cup | Scottish Borders | American Chemical Society | Scottish National Party | International Society for Krishna Consciousness | American Society of Civil Engineers | Royal Society of Canada | Royal Geographical Society | American Philosophical Society | Theosophical Society | Royal Society of Edinburgh | Society of Antiquaries of London | Society of the Cincinnati | Society for the Prevention of Cruelty to Animals | Justice Society of America | American Mathematical Society | Scottish Football League | Royal Aeronautical Society | National Honor Society |
He also worked in the interests of his fellow writers as chair of the Scottish Sub-Committee of the League of Dramatists, chair of the Scottish Sub-Committee of the Society of Authors, Honorary Vice Preses (sic) of the Lallans Society and Honorary Vice President of the Scottish Society of Playwrights.