Dale Carnegie [Man speaking at a dinner.]
He Sells Success - Dale Carnegie [Man speaking at a dinner event.]
Dale Carnegie [Audience at a Dale Carnegie public speaking class.]
Dale Carnegie [Student speaking in Dale Carnegie's public speaking class.]
Dale Carnegie [Students in a Dale Carnegie public speaking class.]
Dale Carnegie [Student in a Dale Carnegie public speaking class.]
Dale Carnegie [Audience in a Dale Carnegie public speaking class.]
Columbia University [Man speaking at a dinner.]
Dale Carnegie [Student speaking in a Dale Carnegie public speaking class.]