1. Weick, F. E.; and Wenzinger, C. J. E f f e c t o f Length o f Handley Page T ip S l o t s on L a t e r a l - S t a b i l i t y Factor, Damping i n R o l l . NACA Report TN-423, 1932.
2. Weick, F. E . ; Sevelson, M. W.; McClure, J. G.; and Flanagan, M. D. I n v e s t i g a t i o n of L a t e r a l Control Near S t a l l - F l i g h t I n v e s t i g a - t i o n w i t h L i g h t High-Wing Monoplane. w i t h Various Amounts o f Washout and Various Lengths o f Leading-Edge S l o t . Report TN-2948, 1953.
3. Weick, F . E.; and Albramson, N. H . : I n v e s t i g a - t i o n of L a t e r a l Control Near t h e S t a l l - F l i g h t Tests w i t h High-Wing and Low-Wing Monoplanes o f Various Configurations. Report TN-3676, 1956.