Report of the Officer Development BoardRandall Wakelam, Howard G. Coombs · First published 2010Open the Tome
Effects-based approaches to operationsHoward Coombs, Allan D. English · First published 2008Open the Tome
Networked Operations and TransformationAllan English, Richard Gimblett, Howard Coombs · First published 2007Open the Tome
Catalogue of the active volcanoes and solfatara fields of the United States of AmericaHoward A. Coombs · First published 1960Open the Tome
