| A | B |
| Textbooks | books used for study of a subject |
| References | dictionaries, encyclopedias, atlases |
| Biographies | account of a person's life |
| Newspapers | account of current information |
| Articles | passage in a periodical |
| Web sites/ online materials | information available electronically |
| Trade books | booksellers' published materials |
| Non-print materials | pictures, drawings, illustrations |
| Content Specific text | texts related to a content/ subject |
| Periodicals | information published at regular intervals |
| memoirs | a written account of events or transactions; a biographical notice |