Women working on aircraft assembly

1920 × 1507

Young boy working in a field

1500 × 1148

Women working in a factory

3124 × 3684

Child labor at a mine site

1200 × 869

Wright Flyer in flight

1280 × 1024

Factory workers in textile mill

1400 × 996

prisoners in striped uniforms

1920 × 1080

Prisoners dancing and playing music

4181 × 4103

Farm workers in a field

950 × 703

People working outdoors

3972 × 3129

Workers mining ice in a field

1000 × 673

Railroad worker with tools

1519 × 1227