Auguste Louis Lepère's "Rouen Illustré: Eglise Saint Ouen" is a wood engraving depicting the Gothic church of Saint Ouen in Rouen, France, showcasing the artist's mastery of the medium through precise linear detail and tonal variation. Lepère, a celebrated practitioner of wood engraving in the late 19th century, captures the soaring architecture and intricate stonework of this iconic ecclesiastical structure with remarkable clarity and depth. The work exemplifies the technical virtuosity and reverence for architectural subjects characteristic of Lepère's illustrative practice during the Belle Époque period.