Keyword ideas:
Use the Boolean AND, OR, and NOT to make your search more precise
AND: Separates each concept and finds results with all or your keywords. Example:
OR: Finds results with any keywords. Example:
NOT: This excludes a word. It is less often used because it may remove important results. Example:
Subject headings are specific, predefined terms that the Library of Congress assigns to printed material. The indexers who assign subject headings must use only terms that are listed in this "controlled vocabulary," which typically does not include multi-disciplinary or complex topics. Below are examples of subject headings:
Environmental law -- United States
Environmental justice -- United States
African Americans -- Civil rights
Race discrimination -- Law and legislation -- United States
Criminal justice, Administration of -- United States
Juvenile justice, Administration of -- United States
Wages -- Women -- United States
Women -- Employment -- United State