1963
Tamarind Institute, 1965
Dave H. and Reba W. Williams, 1947
Dave H. and Reba W. Williams, 1930
Dave H. and Reba W. Williams, 1940
Dave H. and Reba W. Williams, 1931
Dave H. and Reba W. Williams, 1956
Dave H. and Reba W. Williams, 1936
Dave H. and Reba W. Williams, 1888
Dave H. and Reba W. Williams, 1974
Tamarind Institute, 1963
