Ker, N. R., & Piper, A. J. (1969). Medieval manuscripts in British libraries. Medieval manuscripts in British libraries.
Cita Chicago Style (17a ed.)Ker, Neil R., y Alan J. Piper. "Medieval Manuscripts in British Libraries." Medieval Manuscripts in British Libraries 1969.
Cita MLA (8a ed.)Ker, Neil R., y Alan J. Piper. "Medieval Manuscripts in British Libraries." Medieval Manuscripts in British Libraries, 1969.
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