Women have been involved in business and industry throughout history. In the United States, the nature of women's involvement in the workforce has changed over time affected by such events as industrialization, wars, and changes in societal norms. This research guide highlights primary and secondary sources that reveal women's involvement in business, industry, commerce, and entrepreneurship across United States history. Included are select samples of books, reports, statistical data sources, manuscripts collections, and online resources that cover various periods in history. To expand your research please see the LC catalog searches that will lead you to other resources on the provided subject headings.