氷壁 is a work by 井上靖. It is presented here as a prize-winning work, with attention to its subject, tone, and place in the author's career.

A prize-winning work by 井上靖.

自然主義の研究 is a nonfiction or critical work by 吉田精一 that was recognized by the 日本芸術院賞. Available public sources mainly make it possible to trace its publication form and later inclusion in collections.

吉田精一's 自然主義の研究 remains traceable today through its award history.