This monograph on classical engraved gems, which also contains a catalogue of the collection then held by the Fitzwilliam Museum, was published in 1891. An introductory volume for students of archaeology, it traced the history of the use of engraved gemstones and described the techniques used to create them. Это и многое другое вы найдете в книге The Engraved Gems of Classical Times: With a Catalogue of the Gems in the Fitzwilliam Museum (J. Henry Middleton)