Robert Vaughn | Henry Clay Frick | Frick Collection | Vince Vaughn | Ford Frick | Vaughn Monroe | Vaughn | John C. Vaughn | Ford C. Frick Award | Frick | Ben Vaughn | Wilhelm Frick | Vaughn, Montana | Maurice John Vaughn | Jacob G. Frick | Vaughn Walker | Vaughn Blaney | Vaughn Bean | Vaughn Beals | Helen Clay Frick | Frick Park | Childs Frick | Aurelia Frick | William Vaughn | Vaughn Meader | Vaughn Gittin | Vaughn Dunbar | Vaughn (band) | Terry Vaughn | Terri J. Vaughn |
SA and SD were accompanied by notational methods including structure charts, data flow diagrams and data model diagrams, of which there were many variations, including those developed by Tom DeMarco, Ken Orr, Larry Constantine, Vaughn Frick, Ed Yourdon, Steven Ward, Peter Chen, and others.