Themes Publications Notices of the Port of Kampot and of the Coast of Cambodia up to Chentabon, 1851, 1852
George D. Bonnyman, captain of the Pantaloon brig, shared his geographical observations from the commercial exploratory trip to Cambodia led by L.V. Helms first in 1851, then in 1852, in the Journal…Publications Notes to Accompany a Map of Cambodia, 1851
An early map of Cambodia drawn in Singapore with information from Constantine de Monteiro, King Ang Duong's representative.Publications Three Months in Cambodia by a Madras Officer
One of the earliest (16th April-21 June 1854) accounts of Cambodia in the English language by a traveler who had both military and business connections.Publications Ha Tien or Banteay Meas in the Time of the Fall of Ayutthaya
Pepper and Power: Chinese Port Colonies and Khmer, Siam and Vietnamese rivalries in the Mekong Delta area.