found: Vybrane, 1991:t.p. (I︠U︡riĭ Klen (Osvalʹd Burhardt)) p. 4 (b. 1891) p. 14 (d. 1947)
found: OCLC, 1-20-95:(hdg: Klen, I︠U︡riĭ, 1891-1947; usage: Osvalʹd Burhardt, I︠U︡riĭ Klen)
found: Tvorchistʹ I︠U︡rii︠a︡ Klena v konteksti ukraïnsʹkoho neoklasyt︠s︡yzmu ta visnykivsʹkoho neoromantyzmu, 2004:t.p. (...I︠U︡rii︠a︡ Klena) p. 9 (Osvalʹd Burghardt)
found: Slavic Review, Oct. 10, 2006:(Y. Slavutych's review of Josefine Bughardt's book "Oswald Burghardt (Jurij Klen)" in "Slavic Review" ; Klen (1891-1947), son of German colonists, wrote short stories and poetry ; is representative of Ukrainian neoclassicists ; considered one of Ukraine's best poets ; fled eventually to West to escape persecution where he continued to write) - http://jstor.org found: Columbia dict. of modern European lit.:Ukrainian lit. (Osvald Burkhardt, 1891-1947, who later emigrated and wrote under the pseudonym Yury Klen)
