Intellectual property rights and public health policyEdward S. Ayensu · First published 2005Open the Tome
Macmillan illustrated animal encyclopediaPhilip Whitfield, Edward S. Ayensu · First published 1984Open the Tome
Endangered and threatened plants of the United StatesEdward S. Ayensu · First published 1978Open the Tome
Systematic anatomy and ontogeny of the stem in PassifloraceaeEdward S. Ayensu · First published 1964Open the Tome
