[Merrill, Dana B.] (1877 – after 1940). Historically Significant Collection of Two Albums with 79 Original Gelatin Silver Photographs of the Construction of the Madeira-Mamore Railroad in the Brazilian State of Rondonia, Showing Porto Velho, Candelaria, Railway Tracks, Camps, Workers, American Engineers, Construction through the Swamp, Karipuna People from the Mutum-Parana River, Rubber Harvesting, Curing and Transportation, Madeira River, Falls and Rapids, “Francisco Salles” Steamer, &c. Ca. 1908-1911.
Album with 56 Original Gelatin Silver Photographs, Showing British Rubber and Tea Plantations in the Kelani Valley, Sri Lanka, Including the Kiriporuwa Estate of the “Nagolle Rubber and Tea Plantations Ltd.” and Halpe Estate of the “Ceylon Rubber Co. Ltd.,” Their Managers, Native Workers, Rubber Harvesting Operations, &c. 1913-1914.