Lefebvre has made known to us quite a series of gospel quotations in his Fragments Grecs des Evangiles sur Ostraka. This publication alone enables us to fill an empty page in the history of the New Testament. It gives us the text of 20 Greek ostraca, large and small, inscribed with portions of our gospels. . . . Thanks to the editor’s kindness I am able to give here a (reduced) facsimile of ostracon no. 16, containing Luke xxii. 70-71 (Figure 6).
Adolf Deissmann, Light from the Ancient East: The New Testament Illustrated by Recently Discovered Texts of the Graeco-Roman World, trans. Lionel R. M. Strachan, 57-58.