By Feynman, Richard P, Robbins, Jeffery, Dyson, Freeman
By Jeffery, R.M.C.
By Deaver, Jeffery
By Hopewell, Jeffery
By Jeffery, Gordon
By Chandler, Raymond, Deaver, Jeffery
By Jeffery, Peter
By Paine, Jeffery
By Jeffery, Peter, Milton, Owen
By Jeffery, Professor Keith
By Jeffrey, Tim, Chalke, Steve, Jeffery, Campolo, Tony
By Jeffery, Graham
By Bernstein, Ken, Pike, Jeffery, Davison, Jon, Needham, Peter