Hudson, William Henry
An Introduction to the study of literature by
London George G. Harrap 1913
 Buku Referensi
Annales sociologiques : collection de l'annee sociologique
Paris : Librairie Felix Alcan
 Majalah, Jurnal, Buletin
Comperative Literature
Oregon : University of Oregon
 Majalah, Jurnal, Buletin
History and theory
Middletown : Wesleyan University Press
 Majalah, Jurnal, Buletin
Jurnal Filsafat
Jakarta : Lembaga Studi Filsafat (LSF)
 Majalah, Jurnal, Buletin