If you are lucky, someone has already published a biography or history of your famous business family. Search Omni by keyword for your famous family business name (or company name, if different) and limit the results by Resource Type to Books & eBooks.
The following books focus on famous family businesses from Canada and around the world. Additional books may be found by doing a Keyword search in Omni using the phrase "family-owned business enterprises".
The Dragon Network: Inside stories of the most successful Chinese family businesses by 
Family Wars: classic conflicts in family business and how to deal with them by 
Dynasties: Fortunes and Misfortunes of the world's great family businesses by 
Managing for the Long Run by 
All in the Family, Inc.: insights from the corporate boardroom and kitchen tables of Canadian family businesses by 
In the blood: battles to succeed in Canada's family businesses by 