Bauch, Martin. «The Double-Headed Eagle, Richard of Cornwall, and Grain from Almaine: Reconfigurations of Rulership during the Famine of 1256–58 in the Wake of the Samalas Eruption». De Medio Aevo, vol. 13, vol. 13, n.º 1, 2024, pp. 51-62, doi: https://doi.org/10.5209/dmae.93341.