He wrote articles on such diverse topics as twisted cubics, developable surfaces, the theory of conics, the theory of plane curves, third- and fourth-degree surfaces, statics and projective geometry .
He wrote articles sa ganoong mga magkakaibang mga paksa tulad ng baluktot cubics, developable ibabaw, ang mga teorya ng conics, ang mga teorya ng eroplano kurva, third-at ikaapat na-degree ibabaw, estatika at projective geometry.