ABSTRACT
This entry presents an overview of social justice vocabularies, conceptualizations, and philosophies as they are represented in the history of library and information science (LIS) practice and research. Emphasis is placed on theoretical descriptions of both justice and social justice, and how these constructs are historically related to past and emerging trends in the LIS professions, with a main focus on social justice in regard to public library philosophy and practice in the United States. The entry also includes a discussion of information science research as it relates to the needs of disadvantaged populations.
