“A Tour around The Glasgow Boys Exhibition” – The Granary – Berwick-upon-Tweed – England Exhibition – 2020 (Covid-19)

“El Intercambio Colombino: la Patata” – Charla para Aula Senior Jérica, en Espana – online (in Spanish)

In Alfred Crosby’s ‘The Columbian Exchange: Biological and Cultural Consequences of 1492’, published in 1972, he argued for a different way of looking at the impact of the voyages of discovery on both the Americas and Europe

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