There has been data ("The Age of Entrepreneurship: Business Owners, Self-employment and Corporations since 1851 (Routledge International Studies in Business History) - ISBN-13 978-1-351-66229-1") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Sat Jan 25 21:48:49 2020, so the data displayed here has been removed .