1. Speculations on the evolution of the family Trypanosomatidae Doflein, 1901;Baker;Experimental Parasitology,1963
2. The evolution of parasitic protozoa;Baker,1965
3. The exo-erythrocytic phase of malaria parasites;Bray;International Review of Tropical Medicine,1963
4. Beiträge zur Kenntniss der Flagellaten und einiger verwandten Organismen;Bütschli;Zeitschrift für wissenschaftliche Zoologie,1878
5. Tetrahymena and some thoughts on the evolutionary origin of endoparasitism;Corliss;Transactions of the American Microscopical Society,1972