BioStor
 | XXI. On the Geometridæ of Tropical Africa in the National Collection Colonel Charles Swinhoe (1904) Transactions of The Royal Entomological Society of London 52: 497-590 |
 | Lepidoptera aus Bonaberi in Kamerun gesammelt van Herrn E. Hintz E Strand (1915) Entomologische Mitteilungen 4: 173-194 |
 | New exotic Geometridae (1932) Novitates Zoologicae Tring 38: 103-126 |
 | Geometridae from Tanganyika collected by Dr. Christa Lindemann and Nina Pavlitzki (1958) Veroeffentlichungen Der Zoologischen Staatssammlung Muenchen 5: 117-144 |