The Portuguese-Siamese Treaty of 1820
Miguel Castelo-Branco, 2011. The Portuguese-Siamese Treaty of 1820: Siam’s first attempt of integration in the international community. Lisboa: Instituto do Oriente.
ISBN 978-989-646-057-0
Miguel Castelo-Branco, 2011. The Portuguese-Siamese Treaty of 1820: Siam’s first attempt of integration in the international community. Lisboa: Instituto do Oriente.
ISBN 978-989-646-057-0