Roger Machado, Perkin Warbeck and heraldic espionage

An examination of the medieval herald's role in international espionage. It is argued that heralds were used as spies, despite their creation oaths stipulating that their job should not encompass this task. The herald Roger Machado's involvement in the diplomacy surrounding the pretender to the English throne, Perkin Warbeck, is scrutinized and is offered as evidence that Machado did act as a spy for Henry VII on the international stage.

A herald and his objects in exile: Roger Machado and his memorandum book, 1484-1485

A re-examination of the herald Roger Machado's extant memorandum book, which contains an inventory and mercantile accounts amongst its contents. It is argued that this little-studied source provides evidence for an otherwise undocumented period in Machado's life - when he fled into exile to join Henry Tudor.