C.I.H. descriptions of plant parasitic nematodes.
- St. Albans [England] : Farnham Royal [England] : St. Albans [England] : Farnham Royal [England] : Commonwealth Institute of Helminthology ; obtainable from Commonwealth Agricultural Bureaux, Commonwealth Institute of Helminthology ; obtainable from Commonwealth Agricultural Bureaux, [19--]
Cover title. Vol. 2- edited by Sheila Willmott ... [et al.] Each set consists of a folder containing 15 pamphlets.