‘pioneers’ historical pictures (exact matches)

Wireless telegraph communication between Casablanca and Paris
Wireless telegraph communication between Casablanca and Paris
Trappers in the Wild West
Trappers in the Wild West
Accident on the way out West
Accident on the way out West
The Caxton Celebration
The Caxton Celebration
Gold prospectors in New Zealand
Gold prospectors in New Zealand
The Palefaced Redskin
The Palefaced Redskin
Arkansas River
Arkansas River
Death of Francesco Zambeccari in a ballooning accident, Bologna, 1812
Death of Francesco Zambeccari in a ballooning accident, Bologna, 1812