Advanced philatelic researchde Patrick Pearson · Publicada por primera vez en 1971MateriasStamp collectingEdiciones (1)Advanced philatelic research. (1971)Barker · inglésMás obras de Patrick PearsonPPostal history of IraqPostal history of Iraq1996RRichard's APERichard's APECClearing OTC Derivatives in EuropeClearing OTC Derivatives in Europe