1. F. D. Faulkner, Internal Memorandum IMF 7, Aeronautical Research Center, Univ. of Michigan, Aug. 1946.
2. F. D. Faulkner, Homing in a Vacuum with Minimum Fuel Consumption. UMM-18, Aeronautical Research Center, Univ. of Michigan, Feb. 1, 1949.
3. F. D. Faulkner, Solution to the Problem of Homing in a Vacuum with a Point Mass. UMM-19, Aeronautical Research Center, Univ. of Michigan, Feb. 1, 1949.
4. F. D. Faulkner, A Note on Homing and on Craft Trajectories when Drag is a Linear Function of Velocity. Internal Memorandum EMF 10, Aeronautical Research Center, Univ. of Michigan, Feb. 1950.
5. N. Coburg, Optimum Rocket Trajectories. UMM-48, Aeronautical Research Center, Univ. of Michigan, May 1950.