Francisco Marques Sousa Viterbo was a prominent Portuguese historian and writer known for his contributions to the study of Portuguese art and architecture. His scholarly work often focused on the historical significance of various cultural artifacts and institutions in Portugal. Among his notable publications, 'A Gravura Em Portugal: Breves Apontamentos Para a Sua História' stands out as a critical examination of the history of engraving in Portugal, reflecting his deep engagement with the visual arts and their evolution in the country. Viterbo's meticulous research and insightful analysis helped illuminate the rich tapestry of Portugal's artistic heritage. In addition to his work on engraving, Viterbo co-authored 'A capella de s. João Baptista, erecta na egreja de s. Roque fundação da Companhia de Jesus e hoje pertencente à Santa Casa da Misericordia', which provides a historical and descriptive account of the chapel of Saint John the Baptist. This work showcases his dedication to documenting and preserving the architectural history of Portugal, particularly the Jesuit influence in the region. Through his writings, Sousa Viterbo not only contributed to the academic discourse of his time but also played a crucial role in fostering a greater appreciation for Portugal's cultural legacy, leaving a lasting impact on future generations of historians and art enthusiasts.