Pluralism, racism, and public policyJack Bermingham, Edwin G. Clausen · First published 1981Open the Tome
Symposium on Botanical exploration in New York StateClark T. Rogerson, G. J. Schumacher, Edwin H. Ketchledge, Robert T. Clausen, William Campbell Steere, University of the State of New York, New York State Museum and Science Service · First published 1962Open the Tome
