Dale Carnegie [Audience at a Dale Carnegie public speaking class.]

Dale Carnegie [Audience at a Dale Carnegie public speaking class.]

[Man speaking to a crowd.]

Teenage Radio Show [Woman speaking in front of an audience.]

Teenage Radio Show [Woman speaking in front of an audience.]

Teenage Radio Show [Woman speaking in front of an audience.]

Teenage Radio Show [Woman speaking in front of an audience.]

Teenage Radio Show [Woman speaking in front of an audience.]

Teenage Radio Show [Woman speaking in front of an audience.]

Teenage Radio Show [Woman speaking in front of an audience.]

Teenage Radio Show [Woman speaking in front of an audience.]

[Man speaking to group seated at tables.]

Teenage Radio Show [Woman speaking in front of an audience.]

Dale Carnegie [S. S. Jaaj in the audience at a Dale Carnegie public speaking class.]

[Unidentified woman in uniform.]

Dale Carnegie [Audience at 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.]

[Man speaking to an audience.]

[Women speaking at the Filipino National Council, N.Y.]