Ivory and slaves: changing pattern of international trade in East Central Africa to the later nineteenth century Edward A. Alpers 1975
The singer of the Eclogues: a study of Virgilian pastoral, with a new translation of the Eclogues Paul J. Alpers c1979
The Filipino woman: her social, economic, and political status, 1565-1933 Encarnación Alzona and Alexander G. Ruthven c1934