1. The literature on Tetrahymena, its history, growth, and recent trends;Corliss;J. Protozool.,1954
2. Relationships between free-living thermal ciliates and ingested acid-fast bacteria;Dunham;Am. Rev. Tubercul.,1937
3. Paramecia for experimental purposes in controlled mass cultures on a single strain of bacteria;Geise;Arch. Protistenk.,1935
4. Observations on bacterial feeding by the rumen ciliate, Isotricha prostoma;Gutierrez;J. Protozool.,1958