Stevenson, J.H. et al. 1931. The Bannatyne or Bute Mazer and its Carved Bone Cover: With Appendix: (1) Note on the Provenance of the Mazer; (2) Note on the Boss of the Mazer; (3) Zoological Note on the Whale Bone Cover of the Mazer; (4) Botanical Note on the Plant represented in the Carving on the Mazer Cover; (5) George Robertson’s (erroneous) Account of the Shields on the Bowl. Proceedings of the Society of Antiquaries of Scotland. 65, (Nov. 1931), 217–255. DOI:https://doi.org/10.9750/PSAS.065.217.255.