J. H. Stevenson, L. A. Crichton, W. Brook, J. Ritchie, and W. W. Smith, “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”, PSAS, vol. 65, pp. 217–255, Nov. 1931.