1. Editorial

   EditorialNotes Pages: 1 - 1

2. An extension of the Caratheodory—Kalman variational method

   • Arthur Wouk

   Contributed Papers Pages: 2 - 33

3. Variational problems with lags

   • L. David Sabbagh

   Contributed Papers Pages: 34 - 51

4. Axisymmetric bodies of minimum drag in hypersonic flow

   • Squire L. Brown
   • David G. Hull

   Contributed Papers Pages: 52 - 71

5. On the existence of the optimal control for linear uncontrollable systems

   • G. Guardabassi
   • A. Locatelli
   • S. Rinaldi

   Technical Notes Pages: 72 - 75

6. A note on a sufficiency theorem for optimal control

   • G. Leitmann

   Technical Notes Pages: 76 - 78

7. Book reviews

   • Marshall Freimer
   • R. E. Kalman

   BookReview Pages: 79 - 80