	Authors	Year	Title
	Nikolaeva	2008	The Carboniferous Ammonoids from the Gilbertson Collection described by John Phillips. Palaeontographical Society Monograph, Publication no. 626, issued as part of v. 160 for 2006, 1-70, 40 fig., 17 pl., London
	Phillips	1836	Illustrations of the geology of Yorkshire, part II. The Mountain Limestone District. I-XX, 1-259, pl.1-25; London.