28) is a manuscript consisting of fragments of the third book of Hellenica (chapter 1) by Xenophon, written in Greek.
In the upper margin are some semi-cursive scholia, written in a more formal hand than the text.
Grenfell and Hunt collated the text of the manuscript on the basis of Keller's edition (1890).
Oxyrhynchus Papyri I. London: Egypt Exploration Fund.
This article about an Oxyrhynchus papyrus written in Greek is a stub.