He is best known for his two-part autobiographical account of his experiences living as a laborer:
* "The Workers: An Experiment in Reality" (1897) - This book narrates Wyckoff's experiences working as a laborer in different industries like coal mining and lumberjacking.
* "The East End: A Report on Certain Economic and Social Conditions in London" (1898) - This book describes Wyckoff's experiences living among the working class in London's East End.
Other works by Walter Augustus Wyckoff include:
* "The City of the West: A Sociological Study" (1900) - A study of life in the growing cities of the American West.
* "A Day with a Tramp, and Other Days" (1901) - A collection of essays exploring the lives of tramps and social issues of the time.
* "The Great Cities of the World: A Study of Their Development and Their Problems" (1909) - A comparative analysis of major cities around the world.
Wyckoff's writing style is considered realistic and intimate, providing a glimpse into the lives of those who lived in poverty and struggled with hardship. His work remains relevant for its social commentary and its insights into the struggles of the working class.