Authors	Year	Title
Bisat	1924	The Carboniferous goniatites of the North of England and their zones. Proceedings of the Yorkshire Geological Society, 20: 40-124, pl.1-10; Leeds.
Bisat & Hudson	1943	The lower Reticuloceras (R1) goniatite succession in the Namurian of the North of England. Proceedings of the Yorkshire Geological Society, 24 (6): 383-440, fig.1, pl.23-30; Wakefield.
Phillips	1836	Illustrations of the geology of Yorkshire, part II. The Mountain Limestone District. I-XX, 1-259, pl.1-25; London.