1. Geological Survey Map, Sheets 71, S.E., 63, N.E.
2. Ordnance Survey Map, New Edition, Sheets 126, 142, 156.
3. Geology of the Nottingham District;Irving;Geol. Proc. Assoc.,1874
4. On the Rh˦tic Beds in Leicestershire;Harrison;Quart. Journ. Geol. Soc.,1876
5. Excursion to Grantham and Nottingham;Irving;Proc. Geol. Assoc.,1876