1. Abbott, U. K., 1967 Avian developmental genetics. In Methods in Developmental Biology, edited by F. H. Wilt and N. K. Wessells, pp. 13–52, Thomas Y. Crowell, New York.
2. Abbott, U. K., 1974 Avian ichthyosis: The consequence of rescuing a lethal condition. Poult. Sci. 53:(unpublished).
3. Abbott, U. K. and V. S. Asmundson, 1957 Scaleless, an inherited ectodermal defect in the domestic fowl. J. Hered. 48:63–70.
4. Abbott, U. K. and R. M. Craig, 1969 How to Identify Infertile and Early-Dead Embryos (chart and 18 color photos with description). University of California Publications, Agricultural Experiment Station, Berkeley, Calif.
5. Abbott, U. K., and J. A. MacCabe, 1966 Ectrodactyly: A new embryonic lethal mutation in the chicken. J. Hered. 57:207–212.