This video discusses different types of sources that can be used for research, including primary and secondary sources. It provides examples of various source types such as books, encyclopedias, dissertations, newspapers, reports, and journal articles. For each source type, key identifying features are outlined, such as the book cover, copyright page, and table of contents for books. The video encourages students to visit their library to explore examples of different source materials like books, edited books, encyclopedias, and dissertations.