Papyrus Oxyrhynchus 228 (P. Oxy.
 228 or P. Oxy.
 II 228) is a fragment of the "Laches", a dialogue of Plato, written in Greek.
 It was discovered in Oxyrhynchus.
 The manuscript was written on papyrus in the form of a roll.
 It is dated to the second century.
 It is housed in the Bodleian Library (Ms. Gr.
 Class.
 a 8) in Oxford.
Papyrus Oxyrhynchus 62 (P. Oxy.
 62) is a letter from a centurion, written in Greek.
 The manuscript was written on papyrus in the form of a sheet.
 It was discovered by Grenfell and Hunt in 1897 in Oxyrhynchus.
 The document was written on 6 January 222.
 Currently it is housed in the Bodleian Library (Ms. Gr.
 Class.
 d 61) in Oxford.
 The text was published by Grenfell and Hunt in 1898.
The Bodleian Library ( ) is the main research library of the University of Oxford, and is one of the oldest libraries in Europe.
 With over 12 million items, it is the second-largest library in Britain after the British Library.
 Under the "Legal Deposit Libraries Act 2003" it is one of six legal deposit libraries for works published in the United Kingdom and under Irish Law it is entitled to request a copy of each book published in the Republic of Ireland.
 Known to Oxford scholars as "Bodley" or "the Bod", it operates principally as a reference library and, in general, documents may not be removed from the reading rooms.
Papyrus Oxyrhynchus 223 (P. Oxy.
 223 or P. Oxy.
 II 223) is a fragment of Homer's "Iliad" (E,329-705), written in Greek.
 It was discovered in Oxyrhynchus.
 The manuscript was written on papyrus in the form of a roll.
 It is dated to the third century.
 Currently it is housed in the Bodleian Library (Ms. Gr.
 Class.
 a 8) in Oxford.
Papyrus Oxyrhynchus 87 (P. Oxy.
 87) is a declaration on oath by a ship owner, written in Greek.
 The manuscript was written on papyrus in the form of a sheet.
 It was discovered in Oxyrhynchus.
 The document was written between 25 February and 26 March 342.
 Currently it is housed in the Sackler Library (Papyrology Rooms, P. Oxy.
 87 col. 3) in Oxford.
Papyrus Oxyrhynchus 7 (P. Oxy.
 7) is a papyrus discovered at Oxyrhynchus in Egypt.
 It was discovered by Bernard Pyne Grenfell and Arthur Surridge Hunt in 1897 in Oxyrhynchus, and published in 1898.
 It dates to the third century AD.
 The papyrus is currently housed in the British Library.
Papyrus Oxyrhynchus 297 (P. Oxy.
 297 or P. Oxy.
 II 297) is a fragment of a Letter concerning a Property Return, in Greek.
 It was discovered in Oxyrhynchus.
 The manuscript was written on papyrus in the form of a sheet.
 It was written at 23 July 54.
 Currently it is housed in the library of the Columbia University (Head of Special Collections) in New York City.
Papyrus Oxyrhynchus 60 (P. Oxy.
 60) is a letter addressed to the council of Oxyrhynchus, written by the "strategus" Hermias, in Greek.
 The manuscript was written on papyrus in the form of a sheet.
 It was discovered by Grenfell and Hunt in 1897 in Oxyrhynchus.
 The document was written on 17 August 323.
 Currently it is housed in the Library of the Trinity College (Pap.
 D 1) in Dublin.
 The text was published by Grenfell and Hunt in 1898.
Papyrus Oxyrhynchus 118 (P. Oxy.
 118 or P. Oxy.
 I 118) is a personal letter, written in Greek and discovered in Oxyrhynchus.
 The manuscript was written on papyrus in the form of a sheet.
 The document was written in the late 3rd century.
 Currently it is housed in the Cambridge University Library (4043) at Cambridge University.
Papyrus Oxyrhynchus 32 (P. Oxy.
 32) is a letter to a "tribunus militum," written in Latin.
 It was discovered by Grenfell and Hunt in 1897 in Oxyrhynchus.
 The fragment is dated to the second century.
 It is housed in the Bodleian Library.
 The text was published by Grenfell and Hunt in 1898.

Question: What library is the main research library of the University of Oxford and houses the Papyrus Oxyrhynchus?
Answer: Bodleian Library