File:Frog Prince - Jack Zipes Historic Fairy Tale Postcard Collection - Froschkönig (1900 or earlier) Uncredited artist.jpg - Wikimedia Commons

File:Frog Prince - Jack Zipes Historic Fairy Tale Postcard Collection - Froschkönig (1900 or earlier) Uncredited artist.jpg - Wikimedia Commons

Buried Treasures Princeton University Press

Buried Treasures Princeton University Press

Category:Frog Prince - Wikimedia Commons

File:Rumpelstiltskin - 53075762866 - Jack Zipes Historic Fairy Tale Postcard Collection - Dočkal, H (ca. 1928 or earlier).jpg - Wikimedia Commons

File:Frog Prince - 53063684416 - Jack Zipes Historic Fairy Tale Postcard Collection - Froschkönig (1905 or earlier, German) Uncredited artist.jpg - Wikimedia Commons

File:Frog Prince - 53063878879 - Jack Zipes Historic Fairy Tale Postcard Collection - Froschkönig - Hock, Daniel (Austrian, 1858-1934).jpg - Wikimedia Commons

Category:Frog Prince - Wikimedia Commons

Category:Frog Prince - Wikimedia Commons

File:Frog Prince - 53063913149 - Jack Zipes Historic Fairy Tale Postcard Collection - Volkert, Hans (German, early 20th century).jpg - Wikimedia Commons

Buried Treasures Princeton University Press

Category:Frog Prince - Wikimedia Commons

Buried Treasures: The Power of Political Fairy Tales

Buried Treasures Princeton University Press