Scope and Contents of the Subseries From the Series: The subseries contains correspondence between Martin Luther King, Jr. and various individuals and organizations from 1953 to 1968. There are letters, telegrams, greeting cards, carbon copies, postcards, invitations, and hate mail. The correspondence is primarily professional, often accompanied by enclosures, with few personal letters. Among the topics discussed are civil rights, discrimination, SCLC activities, politics, equal employment, education, housing, passive resistance, poverty,...