Less known is Bernard's literary work, comprising plays, poetry, and art criticism as well as art historical statements that contain first-hand information on the crucial period of modern art to which Bernard had contributed.
Karya kesusastraan Bernard yang kurang dikenal, yang terdiri dari drama, puisi, dan kritik seni serta pernyataan sejarah seni berisi informasi tangan pertama tentang periode krusial dari seni rupa modern dimana Bernard telah berkontribusi.