Poemata symphonicaIn silva (1900—1901) et Mare (1903—1907), aperturamKeystutum (1902), cantatamDe profundis (1899) et permulta opera ad clavile composuit. Picturas saepe in series coniungebat; tales sunt series picturarum ternarum (triptycha Fabella, Fabella regum) vel quaternarum, quas Sonatas nominabat (Sonata veris, Sonata solis, Sonata maris), aliae series Creatio mundi (13 imagines), Signa Zodiaci etc.