Most of these databases include multiple news sources allowing you to search a topic across different sources at the same time. Check date coverage information for each database and then for each news source to be sure it covers the scope you need.
The following list of sources has two sections:
Description: Reports, publications, and news broadcasts covering racial justice in the US and US race relations with Latin America, Europe, Africa, and Asia.
Sixties: Primary Documents and Personal Narratives
Description: Find diaries, letters, biographies, oral histories, government documents, videos, and more originating from the US, Canada, and Europe. Scholarly commentary also included.