Once you have chosen a topic, look up your main concepts in general encyclopedias and subject-specific reference sources. Read articles in these reference materials to set the context for your research. Note important key terms or phrases. Note any relevant items in the bibliographies at the end of these encyclopedia articles. Additional background information may be provided in your lecture notes, textbooks and items on reserve in the library.
Use this reference database to explore your topic.
Most college professors will not allow students to use Wikipedia as a source for a research paper. However, it is a great source for exploring your topic. Take a look at this quick video to see how you can use if effectively.