Lynn Goldsmith papers:
The Diary and Papers of a Young Civil Rights Worker
Here is a partial list of other archives and organizations that have online information about the Civil Rights Movement in the U.S. Many university, state, and local archives also have materials about the Civil Rights Movement:
Auburn Avenue Research Library
Manuscripts, Archives and Rare Book Library - Emory Libraries
Civil Rights Memorial - Southern Poverty Law Center
Civil Rights Movement Archives - Queens College
Civil Rights Research - National Archives and Records Administration
Civil Rights Resource Guide - Library of Congress
The Martin Luther King Jr. Center for Nonviolent Social Change
Research and Education Institute - Stanford University
National Museum of African-American History and Culture - Smithsonian Insitute