The Mixed Heritage of Modern American Poetry

od Warnke, Frank J.
izdano v Amerikanische Literatur im 20. Jahrhundert.(1971)

An expressionist's progress

od Warnke, Frank J.
izdano v Benn - Wirkung wider Willen : Dokumente zur Wirkungsgeschichte Benns.(1971)

Encyclopedia of poetry and poetics

Izdano 1965

Signatura: AL 31 (1965) */Enc

The New Princeton Encyclopedia of Poetry and Poetics

Izdano 1993

Signatura: AL 31 (1993) */New