Diedrich Westermann

Isolated Language Groups or Units (Class Languages)

M. A. Bryan, Diedrich Westermann, 2017 .

Education and Missions

Diedrich Westermann, 2018 .

An Introduction to the Ibo Language

Diedrich Westermann, Ida C. Ward, 1936 .

A study of the Ewe language

Diedrich Westermann, D. Westermann, 1930 .

Practical Phonetics for Students of African Languages

Diedrich Westermann, Ida C. Ward, 1964 .

A Hausa-English dictionary and English-Hausa vocabulary

Diedrich Westermann, D. Westermann, G. P. Bargery, 1934, Bulletin of the School of Oriental and African Studies.