Osvald Sirén is known for his extensive and influential works on Chinese and East Asian art, as well as European art of the Middle Ages and Renaissance. Here are some of his notable writings:
* "Chinese Sculpture" (1925): A foundational work on Chinese sculpture, covering its history and stylistic development.
* "A History of Early Chinese Art" (1929): A comprehensive study of Chinese art from the Neolithic period through the Tang dynasty.
* "The Chinese on the Art of Painting" (1936): A collection of essays on Chinese art theory and aesthetics.
* "The Renaissance of Chinese Painting" (1936): A study of Chinese painting during the Song and Yuan dynasties.
* "The Art of the Renaissance" (1951): A multi-volume work covering the art of the Italian Renaissance.
* "Leonardo da Vinci" (1952): A biography and analysis of the work of the Renaissance master.
These are just a few examples of Sirén's prolific writings. He also authored numerous articles, essays, and reviews throughout his career. His work is characterized by thorough scholarship, careful analysis, and a deep appreciation for the beauty and cultural significance of art.