Leo Frobenius, 1873-1973 : an anthology / with a foreword by Léopold Sédar Senghor ; edited by Eike Haberland. - Frobenius, Leo, 1873-1938. (OLS)http://pul/name/9032; Haberland, Eike. (OLS)http://pul/name/9033; Sédar Senghor, Léopold. (OLS)http://pul/name/43537 (Inter Nationes, 1973)