Collection of Three Albums with 171 Original Gelatin Silver Photographs of the French Congo, Showing the Inauguration of the Monument to Bishop Prosper Augouard in Brazzaville in 1926, Railway Tracks, Bridges and Stations, Railway Construction (most likely, the Congo-Ocean Railway), River Steamboats (“Duc de Brabant” and others), the Countryside, Native Villages and People, French Residents, Offices and Warehouses of “Magalhaes & Cie,” &c.