Three pages for the same company (The Teaching Company)

https://www.imdb.com/search/title/?companies=co0277693 The Teaching Company https://www.imdb.com/search/title/?companies=co0534173 Great Courses https://www.imdb.com/search/title/?companies=co0818502 The Great Courses Plus These three pages refer to the same company and must be merged. The name of the company is The Teaching Company. "The Great Courses" (not Great Courses) is the brand name of their lecture courses and sometimes used as an alternate name for the company. "The Great Courses Plus" is a website run by The Teaching Company.