 He was a prolific contributor to art publications, writing in introductions to exhibition catalogs, in magazines and journals as well as publishing works of circumstance during an exhibition or following an artist's death.His subject matter was as varied as his acquisitions; he published on Burne-Jones, Bonvin, Braquemond, Carrière, Courbet, Chassériau, Falguière, Fantin-Latour, Legros, Liebermann, Rodin and Whistler.He popularised analyses of nineteenth-century art in major syntheses supporting his studies on artist biographies.