Cossio, Andoni. 2023. “The Missing Letters J. R. R. Tolkien Received from Derek J. Price and R. M. Wilson: Addendum to ‘Further Notes on J. R. R. Tolkien’s Photostats of The Equatorie of the Planetis (MS Peterhouse 75.I)’”. SELIM. Journal of the Spanish Society for Medieval English Language and Literature 28 (1):97-106. https://doi.org/10.17811/selim.28.2023.97-106.