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/