The taxonomy of the Nearctic species of the genus _Calathus_ Bonelli (Coleoptera: Carabidae: Agonini)

Title	The taxonomy of the Nearctic species of the genus _Calathus_ Bonelli (Coleoptera: Carabidae: Agonini)
Authors:	Ball, G.E. ;Negre, J.
Publication Type	Journal Article
Year of Publication:	1972
Volume:	98
Pagination:	412-539