Conquering stage fright and fear of public speaking
Portney, David R.
[United States] : Listen & Live Audio, Inc., 2006.

Healing journey : tapping into the power of your mind
Portney, David R.
[United States] : David R. Portney, 2005.

How guys can look good for lots less
Portney, David R.
[United States] : David R. Portney, 2005.

How to handle the toughest job interview questions you'll ever get
Portney, David R.
[Roseland, N.J.] : Listen & Live Audio, 2007.

How to handle the toughest job interview questions you'll ever get
Portney, David R.
[United States] : David R. Portney, 2005.

Lose weight safely & effectively without fad diets or gimmicks
Portney, David R.
[United States] : David R. Portney, 2005.

Night connections
Summer, Dick.
[United States] : David R. Portney, 2005.

Power publicity
Portney, David R.
[United States] : David R. Portney, 2005.

The quick start seminar success system : 33 "easy activation steps"
Portney, David R.
[United States] : David R. Portney, 2005.

The secret of how to ace any job interview with confidence! : inside tips on terrific resumes, inter
Portney, David.
[United States] : David R. Portney, 2005.