A foundational work in the field of industrial engineering, outlining the principles of time and motion study and introducing therbligs as a method for analyzing and improving work processes.

Lillian's doctoral dissertation, which explored the psychological factors influencing worker motivation and productivity. It emphasized the importance of understanding human behavior in the workplace.

Focuses on ways to mitigate fatigue in the workplace. Written in collaboration with Frank Gilbreth.

This book explores the application of scientific management principles to household tasks, aiming to improve efficiency and reduce drudgery for homemakers.

Lillian authored numerous articles and papers throughout her career, published in academic journals and professional publications, covering topics such as industrial psychology, management theory, and ergonomics.