Here are some of his notable writings:
* "The Australian Army in the Vietnam War" (1990) - This book is considered one of the most comprehensive and authoritative accounts of Australia's involvement in the Vietnam War.
* "The Anzac Legend" (2000) - A highly acclaimed analysis of the origins, development, and impact of the Anzac legend.
* "The Australian Army" (2004) - A detailed history of the Australian Army from its origins to the present day.
* "The Great War: A History of Australia 1914-1918" (2014) - A thorough and accessible account of Australia's involvement in World War I.
* "A History of the Australian Defence Force" (2017) - This book provides a comprehensive history of Australia's defence forces, from their beginnings to the modern era.
In addition to these major works, Lachlan de Crespigny has also published numerous articles and essays on military history and the history of Australia. He is a leading expert on the history of the Australian Army and the Australian experience in war.
You can find more information about Lachlan de Crespigny's publications on websites such as Amazon and Goodreads.