Series volume
	Patterson, D.J. & Larsen, J.
		1991[1992]. No. 45. The Biology of Free-living Heterotrophic Flagellates. Syst. Assoc. Spec. Vol.. Clarendon Press, Oxford, [30 Jan 1992]: 505 pp..
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Chapters
	- 
		Cavalier-Smith, T., 1991[1992].
			8. Cell diversification in heterotrophic flagellates, [30 Jan 1992]: 113-131.
	
- 
		Patterson, D.J. & Zölffel, M., 1991[1992].
			26. Heterotrophic flagellates of uncertain taxonomic position, [30 Jan 1992]: 427-475.