Letter from Revoluční Odborové Hnutí to National Committee to Defend Dr. W. E. B. Du Bois and Associates in the Peace Information CenterROH. ÚRO, National Committee to Defend Dr. W. E. B. Du Bois and Associates in the Peace Information Center, Šmeral, Vladimir, Břinčil, JaroslavView Full Item in Special Collections and University Archives, University of Massachusetts Amherst Libraries
Signed Jaroslav Břinčil and Vladimir Šmeral; stating the group's endorsement of Du Bois and opposition to discrimination, imperialism, and the denial of human rights.