Bulletin of the British Museum (Natural History) Entomology - British Museum (Natural History) (The Museum, 1976)

Flora Malesiana Series II Pteridophyta - Rijksherbarium (Netherlands) (M. Nijhoff/W. Junk, 1963)

Ichneumonologia brittannica. The ichneumons of Great Britain; a descriptive account of the families, genera and species indigenous to the British islands, together with notes as to classifiation, localitites, habitats, host, etc - Morley, Claude 1874 -1951 (J.H. Keys, 1903)

Ichneumonologia brittannica. The ichneumons of Great Britain; a descriptive account of the families, genera and species indigenous to the British islands, together with notes as to classifiation, localitites, habitats, host, etc - Morley, Claude 1874 -1951 (J.H. Keys, 1903)

Index filicum,sive, Enumeratio omnium generum specierumque filicum et Hydropteridum ab anno 1753 ad finem anni 1905 descriptorium : adjectis synonymis principalibus, area geographica, etc - Christensen, Carl, 1872 -1942 (H. Hagerup, 1934)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1917)

A revision of the Ichneumonidae : based on the collection in the British Museum (Natural History), with descriptions of new genera and species - British Museum (Natural History). Department of Zoology. (1913)