‘hippopotamus’ historical pictures (exact matches)

Hippopotamus
Hippopotamus
Marco Polo
Marco Polo
Hippopotamus
Hippopotamus
Animals laughing at a couple visiting the zoo
Animals laughing at a couple visiting the zoo
Sunday Afternoon at the Zoological Gardens, Beauty and the Beast
Sunday Afternoon at the Zoological Gardens, Beauty and the Beast
Dr Livingstone's Missionary Travels and Researches in South Africa
Dr Livingstone's Missionary Travels and Researches in South Africa
Nature Wonderland: A Happy Hippo
Nature Wonderland: A Happy Hippo
The adventure with a hippopotamus
The adventure with a hippopotamus