Muhammad Ali at post office

3664 × 2468

Group of men outside a post office

2700 × 1689

U.S. Mail carrier on a bicycle

1500 × 1128

Horse-drawn Mail Wagon — Green

1229 × 768

Mail Carrier in Snow

1280 × 850

Mail Train at Station

1600 × 894

Boy with Donkey and Basket

1033 × 768

Child labor at a mine site

1200 × 869

US Mail truck with banner

1400 × 1022

Child labor in early 1900s factories

3060 × 4211

Men Standing Outside Post Office

1024 × 767

Boy selling straw hats

1024 × 768