Pseudonyms
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Udine, Jean d'Pseudonym of Cozanet, Albert
Ulyssiponense, Gregório de AlmeidaPseudonym of Vasconcelos, João de
Um amigo da Seara NovaPseudonym of Valente, Francisco Pulido
Urales, FedericoPseudonym of Montseny i Carret, Joan
UrsusPseudonym of Pires, António Joaquim Pereira da Conceição
Utrillo, MauricePseudonym of Valadon, Maurice