If someone has already done research on a topic you are investigating you are encouraged to seek out the same sources. Sometimes you may find an abundant amount of material that wasn't important to them, but is perfect for you. Other times you may find you disagree with their interpretation, which will give you something to write about from a fresh perspective.
Theses and dissertations are a great place to find bibliographies (sometimes called literature reviews) Many can be found in this database-
A digital collective of books and journals from numerous academic and research libraries around the world.
Scholarly journals and books. Access begins with the first volume for many journal titles, but usually does not have the newest volumes of each journal. To try out AI tools in JSTOR, login using your personal JSTOR account and visit the FAQs to learn more.
Journals and ebooks from major university presses on literature and criticism, history, performing arts, cultural studies, education, philosophy, political science, gender studies, and more.
Full page views and text searching of numerous newspapers from a range of urban and rural regions throughout the U.S., with an emphasis on such topics as the American Civil War, African-American culture and history, Western migration and Antebellum-era life.
Multiple indexes of British and American books, periodicals, official documents, newspapers and archives from the 19th century.