by National Association of Marketing Officials (U.S.)

1929

by National Lumber Manufacturers Association

1910

by National Brick Manufacturers' Association of the United States of America

1922

by National League of Wholesale Fresh Fruit and Vegetable Distributors

1926

by National Association of Marketing Officials

1928

by National Association of Marketing Officials

1920

by National Association of Marketing Officials

1920

by National Agricultural Library (U.S.)

1976

by National Agricultural Library (U.S.)

1923

by National Association of State Departments of Agriculture. Convention

1921

by National Marketing Service Workshop

1960

by National Agricultural Library (U.S.)

1974