"Afrikanische Sprachen." . . "Langues africaines." . . "African languages." . . "Afrikanische Sprachen." . . "Sprachtypologie." . . . . . . . . "The problems in the classification of the African languages : methodological and theoretical conclusions concerning the classification system of Joseph H. Greenberg" . "The problems in the classification of the African languages : methodological and theoretical conclusions concerning the classification system of Joseph H. Greenberg"@en . . . "The problems in the classification of the African languages" . . . . "The problems in the classification of the African languages : methodolgcal [sic] and theorical conclusions concerning the classification system of Joseph H. Greenberg" . . . . . . . "The problems in the classification of the African languages : Methodological and theoretical conclusions concerning the classification system of Joseph H. Greenberg" . "The problems in the classification of the African languages methodological [sic] and theoretical conclusions concerning the classification system of Joseph H. Greenberg"@en . . . . . . . . "The problems in the classification of the African languages methodological and theoretical conclusions concerning the classification system of Joseph H. Greenberg" . "The problems in the classification of the African languages methodological and theoretical conclusions concerning the classification system of Joseph H. Greenberg"@en . . . . . "The problems in the classification of the african languages" . . . . . . . . "The problems in the classification of the African languages; methodological and theoretical conclusions concerning the classification system of Joseph H. Greenberg"@en . "The problems in the classification of the African languages; methodological and theoretical conclusions concerning the classification system of Joseph H. Greenberg" . "The problems in the classification of the African languages; methodological [sic] and theoretical conclusions concerning the classification system of Joseph H. Greenberg"@en . . . . . . . . "Afrikai nyelvek szókincs." . . "Afrikai nyelvek tanulmányok." . . "Langues africaines Classification." . . "Lenguas africanas Clasificación." . . . .