What work does da vinci reference in his notes with his sketch?

In his notes and sketches, Leonardo da vinci often referenced a variety of works, including anatomical studies, engineering designs, and artistic compositions. His sketches frequently accompanied detailed observations on human anatomy, showcasing his interest in the body's structure and function. Additionally, he explored concepts in mechanics, such as flight and water dynamics, reflecting his inquisitive nature and desire to understand the world around him. These notes and sketches collectively illustrate his multifaceted genius and profound curiOSity across different disciplines.