General encyclopedia – Columbia Encyclopedia, 6th edition
https://www.factmonster.com/encyclopedia
Open Library for business and economics
https://openlibrary.org/subjects/business__economics
Open Access Journal for business magazines– Business
https://doaj.org/subjects
Cornell Univ. Articles about labor and employment statistics
http://guides.library.cornell.edu/c.php?g=31400&p=207469
Directory various newspapers
https://www.refseek.com/directory/news.html
Entrepreneurship for research and statistics
https://eiexchange.com/search?search=Research
http://www.oecd.org/industry/business-stats/