The Vertebrate Faunas of the English Eocene. Vol. I. From the Thanet Sands to the Basement Bed of the London Clay, by Errol Ivor White,... With Appendices on the Otoliths, by G. A. Frost and on the Mollusca, by Arthur Wrigley. [Preface by W. D. Lang.].
The Vertebrate Faunas of the Lower Old Red Sandstone of the Welsh Borders. "Pteraspis Leathensis" White, a Dittonian Zone-fossil. By Errol Ivor White...
The Old Red Sandstone of Brown Clee Hill and the Adjacent Area. I. Stratigraphy. By H. W. Ball and D. L. Dineley ... II. Palaeontology. By Errol Ivor White, Etc. [With Plates, a Map and a Graph.].
The Vertebrate Faunas of the Lower Old Red Sandstone of the Welsh Border ; Pteraspis Leathensis White, a Dittoninan Zone-fossil