‘Sky’ historical pictures (exact matches)

Velivoli d'America nel cielo della battaglia in Francia
Velivoli d'America nel cielo della battaglia in Francia
Pornocrates
Pornocrates
Formation of the Moon
Formation of the Moon
Skylark
Skylark
Prehistoric man and Fire
Prehistoric man and Fire
The observatory in Delhi and a solar eclipse
The observatory in Delhi and a solar eclipse
Charge of the Guards, Waterloo
Charge of the Guards, Waterloo
Galileo discovering new worlds
Galileo discovering new worlds