Letter from the Association of Ukrainian Writers for Children to Viktor Tsymbal. Signed by the chairman of the association, B. Goshovsky, and the secretary, Y. Lysyak. Toronto. Canada. October 9, 1963. Museum of Ukrainian Diaspora
Letter from Genera-khorunzhyi of Ukrainian People Republic Army Petro Samutin-Kostenko to Tetiana Mykhailivska-Tsymbal. Baltimore. USA. 1977. Museum of Ukrainian Diaspora
Letter from Antin Kushchynskyj to Tetiana Mykhailivska-Tsymbal. Chicago. USA. December 21, 1982. Museum of Ukrainian Diaspora
Letter from Mykhailo Shafraniuk on the Ukrainian Canadian Art Foundation letterhead to Tetiana Mykhailivska-Tsymbal. Toronto. Canada. March 23, 1978. Museum of Ukrainian Diaspora
Letter from Bohdan Tarnawsky on Harvard University Ukrainian Studies Fund letterhead to Tetiana Mykhailivska-Tsymbal. Cambridge, USA. February 9, 1979. Museum of Ukrainian Diaspora
Letter from Bohdan Tarnawsky on Harvard University Ukrainian Studies Fund letterhead to Tetiana Mykhailivska-Tsymbal. Cambridge, USA. March 22, 1983. Museum of Ukrainian Diaspora
Letter from the Organisation for the National Revival of Ukraine to Viktor Tsymbal. Buenos-Aires. Argentina. October 23, 1938. Museum of Ukrainian Diaspora
Letter on the letterhead of the Canadian League for the Liberation of Ukraine (Edmonton branch) from Osyp Kokil to Tetiana Mykhailivska-Tsymbal. Edmonton. Canada. June 25, 1978 (?). Museum of Ukrainian Diaspora
Letter on the letterhead of the Ukrainian Women’s Union in Argentina Kateryna Murashko to Tetiana Mykhailivska-Tsymbal. November 10, 1972. Museum of Ukrainian Diaspora
Letter from Antin Kushchynskyj to Tetiana Mykhailivska-Tsymbal. Chicago. USA. December 11, 1982. Museum of Ukrainian Diaspora
Letter on the letterhead of the Ukrainian National Women’s League of America from Vira Andreichyk to Tetiana Mykhailivska-Tsymbal. Philadelphia. USA. July 9, 1974. Museum of Ukrainian Diaspora