Published by the Calouste Gulbenkian Foundation on the occasion of the Celebrations of the Second Centenary of the City of Bangkok. Lisbon. 1982.

De 24,5x20,5 cm. Com 61, [i] págs. Brochado. Impresso sobre papel couché e ilustrado com gravuras, planisférios e fotografias a cores e a preto e branco.

Os principais capítulos da obra são: "Foreword; A Short Survey of Luso-Siamese Relations from 1511 to Modern Times (by Antonio da Silva Rego); The First Portuguese Documents on Siam (by Luis de Matos); A Selection of Sixteenth Century Portuguese Texts on Siam (by Albert Iria); The 1820 Land Concession to the Portuguese (by Hélder de Mendonça e Cunha)".