The Bats The History of Iowas Air National Guard 174th SquadronGarry R. Pape · First published 2013Open the Tome
North American XB-70 ValkyrieCampbell, John M., John M. Campbell, Garry R. Pape · First published 1996Open the Tome
Flying Wings of Jack NorthropGarry R. Pape, John M. Campbell, Donna Campbell, John Knudsen Northrop · First published 1994Open the Tome
