When conducting research, it is helpful to know the history and background of topics and themes. For example, understanding the historical background of racism in politics, education, health care, etc., is necessary to understand where America is today.
Subject encyclopedias and books that provide historical or background information are excellent sources that provide information about a problem and identify people, organizations, and efforts that are involved in resolving the conflicts and controversies. Reference sources can also help you narrow your topic and discover keywords for further searching.
Below are sources that will provide you with knowledgeable and reliable information on the topics noted above.