Thomas publicó a su vuelta a Londres un album con 12 litografías: Twelve Views in the Basque Provinces illustrating several of the actions in wich the British Legion was engaged with Carlist Troops. Los fondos de la Diputación Foral cuentan con 9 de estas litografías. Gracias al Museo San Telmo y al Archivo Municipal de Hondarribia hemos conseguido otras 2.

• San Sabastian from the Convent of St.Francisco: shewing the Pontoon-Bridge and the commencement of the New Wooden Bridge across the River Urumea, May 1836
• View of Passages, and Fort Hay
• View of French Passages, Spain
• Ernani from the plateau at the Venta of Oriamendi : shewing the attack of the Carlists on the position held by Gen[era]l Evans on the 16th March 1837, and the las position of the Royal British Marines
• Ernani, from the Astigarraga road
• Attack on the Fort of Irun by the troops under the command of Genl. Evans, 16th May, 1837
• Attack on the Town of Irun, by the combined forces of the British Legion and Christinoes, 17th May 1837 : with a distant view of Fontarrabia to the left, and the Village of Andaye to the Right
• Behobia gate of Irun with the Royal Irish storming, May 17th. 1837
• Exterior of the Fontarabia gate of Irun: fixing the petard, and shewing the window where it was first entered 17th. May 1837
• Interior of Fontarabia gate of Irun just prior to the entrance of the British Legion, May 17th. 1837
• Fuentarabia from the River Bidassoa
• The principal street of Fuentarabia