1. Pigmentation in the scarlet tanager, Prianga olivacea;Brush;Condor,1967
2. Additional observations on the structure of unusual feather tips;Brush;Wilson Bull.,1967
3. On the nature of “Cotingin”;Brush;Condor,1969
4. Astxanthin in the cedar waxwing;Brush;Science,1963
5. Pigmentation and feather structure in genetic variants of the Gouldian finch, Poephila gouldiae;Brush;Aug.,1968