Text of ad:

Poultry raising offers you pleasure and profit combined with exercise and fresh air; we are helping many poultry raisers to health and profit and can help you, too. Only correspondence course indorsed by leading agricultural colleges. Write quick for free book “How to Raise Poultry for profit.”
THE NATIONAL POULTRY INST., INC., Dept. 323, Washington, D. C.

via Modern Mechanix.