Du Bois, W. E. B. (William Edward Burghardt), Roberts, Holland, and American Russian Institute. Circular letter from American Russian Institute to W. E. B. Du Bois. San Francisco (Calif.), 08 Jan 1960. Web. 22 Jan 2021. <https://www.digitalcommonwealth.org/search/commonwealth-oai:ff36ck91b>.

Du Bois, W. E. B. (William Edward Burghardt), Roberts, H., & American Russian Institute. (1960, January 8). Circular letter from American Russian Institute to W. E. B. Du Bois [Correspondence]. Retrieved from https://www.digitalcommonwealth.org/search/commonwealth-oai:ff36ck91b

Du Bois, W. E. B. (William Edward Burghardt), Roberts, Holland, and American Russian Institute. "Circular letter from American Russian Institute to W. E. B. Du Bois." Correspondence. San Francisco (Calif.), January 8, 1960. Digital Commonwealth, https://www.digitalcommonwealth.org/search/commonwealth-oai:ff36ck91b (accessed January 22, 2021).