1. Deuterostome monophyly and phylogeny;Schaeffer,1987
2. The invertebrates: smaller coelomate groups chaetognatha, hemichordata, pogonophora, phoronida, ectoprocta, brachipoda, sipunculida, the coelomate bilateria;Hyman,1959
3. Invertebrate zoology;Ruppert,1994
4. Transplantation reactions of tropical Australian echinoderms;Hildemann;Transplantation,1972
5. Specific allograft reactivity in the sea star Dermasterias imbricata;Karp;Transplantation,1976