design research:

The architect's search for creative architecture led him to studies of indigenous architecture in North America and islands of the Pacific before the arrival of Europeans. Many of his findings are recorded in the following volumes:

Prehistoric Architecture in the Eastern United States

MIT Press, Cambridge, 1980

Prehistoric Architecture in Micronesia

University of Texas Press, Austin, 1988

Ancient Architecture of the Southwest

Forward by Rina Swentzell
University of Texas Press, Austin, 1994

Precolumbian Architecture in Eastern North America

Preface by Roger G. Kennedy
University Press of Florida, Gainesville 1999

Earth Architecture

Preface by Joe Brown
University Press of Florida, Gainesville, 2008