Annotationes rhopalocerologicae
Cowan, Charles Francis.
Hemmings, FrancisGeneric names of butterflies and their type-species
Berkhampsted Lt. Col. C.F. Cowan,
1970
'... the second and final instalment of an addenda and corrigenda to ... Francis Hemming's "Generic names of the butterflies and their type-species" ... 1967' - preface
Butterflies