1. Observations on the biology of Palorus ratzeburgi Wissman, with comparative notes on Tenebrionidae in general (Coleoptera);Butler;Trans. R. ent. Soc. Lord.,1949
2. Some random studies among the Clavicornia;Casey;Mem. Col.,1916
3. Crowson , R. A. 1955 The natural classification of the families of Coleoptera. 187