Antoni Pizà: Francesc Guerau i el seu temps (Palma de Mallorca: Govern de les Illes Balears, Conselleria d'Educació i Cultura, Direcció General de Cultura, Institut d'Estudis Baleàrics, 2000).
During World War II, Whelpton worked as a BBC news correspondent as a news correspondent in France and, as recounted in his travel book, The Balearics:Majorca, Minorca, Ibiza, he was told by a Swiss correspondent that he was on the Gestapo blacklist.
Overseas they established control over some coastal regions of Berber North Africa like modern-day Tunisia and Tripolitania (modern-day Libya), Sardinia, Corsica, Sicily, the Balearics, Malta, other small islands of the western Mediterranean and possibly along the Atlantic coast of Iberia, although this is disputed.