"Reactions of Sodium Borohydride in Acidic Media.  II.  Selective Reduction of Aldehydes with Sodium Triacetoxyborohydride"; Gribble, G.W.; Ferguson, D.C. Chem. Comm., 1975, 535.

     "Reactions of Sodium Borohydride in Acidic Media.  III.  Reduction and Alkylation of Quinoline and Isoquinoline with Carboxylic Acids"; Gribble, G.W.; Heald, P.W. Synthesis, 1975, 650.

     "Carbon-13 Fourier Transform Nuclear Magnetic Resonance Spectroscopy of Indolo[2,3-a]-quinolizidines.  Specific Deuteration and Relaxation Methods in Structure Assignments"; Gribble, G.W.; Nelson, R.B.; Johnson, J.L.; Levy, G.C. J. Org. Chem., 1975, 40, 3720.