1. Thomas NR. The Process and Mechanism of Tooth Eruption. PhD thesis, University of Bristol, 1966.
2. Thomas NR. The properties of collagen in the periodontium of an erupting tooth and collagen turnover in the PDL using tritiated glycine. The mechanisms of tooth support: A symposium, Oxford, 6-8 July 1967. Wright & Sons, pp 102-106.
3. Unimpeded eruption in the root-resected lower incisor of the rat with a preliminary note on root transection