Bryce, T.; Low, A. Notes (I) on a Human Skeleton Found in a Cist With a Beaker Urn at Acharole, West Watten, Caithness; And (II) on the Cranial Form Associated With That Type of Ceramic: With an Appendix on Six Skulls Found With Beakers in the North-East Counties. PSAS 1905, 39, 418-438.