Before you start looking for information, make sure you find out what type of sources your instructor wants you to use and then create a list of plausible keyword terms for your topic. Do not forget to ask the librarians for instructions on how to use the catalog and databases.
Can you use:
Are there other restrictions such as:
Find out this information before you begin to search for information so you don't use a source that you are not supposed to use.
If you are not sure what type of sources you can use, ask your instructor or read your syllabus.
El Paso Police Officer "using a hand-operated traffic signal." (Fye, 137)
(El Paso Public Library: Otis A. Aultman photo collection A0371)