Die Kunstdenkmäler der Städte Barmen, Elberfeld, Remscheid und der Kreise Lennep, Mettmann, SolingenPaul ClemensEsauritoAvvisami
Exhibition of Contemporary German art, Metropolitan Museum of Art ... January, 1909Paul ClemensEsauritoAvvisami
Protection of art During war. Reports Concerning the Condition of the Monuments of art at the Different Theatres of war and the German and Austrian MePaul ClemensEsauritoAvvisami
