* Hydroelectric Handbook (co-authored with Joel D. Justin and Warren G. Merrell) - This book is considered a classic in the field of hydropower engineering and is widely used as a reference by professionals. It covers various aspects of hydropower development, including site selection, dam design, power plant operation, and environmental considerations.
* Engineering for Dams (co-authored with Joel D. Justin and Warren G. Merrell) - This book focuses specifically on the design, construction, and operation of dams. It provides a comprehensive overview of dam engineering principles and practices.
While these are his most well-known works, he may have contributed to other publications or technical reports related to hydropower engineering.
It's important to note that while Harold L. Creager was a prolific writer in the field of hydropower, his work is often attributed to the collaborations he had with his co-authors, Joel D. Justin and Warren G. Merrell.
To find a more complete list of his publications, you might want to search online databases like WorldCat or Google Scholar.