Which major publishing house's logo features a dolphin wrapped around an anchor, a design that dates back to the 16th century?

The publishing industry has some of the most recognizable and enduring logos in business. These symbols not only represent publishing houses but often become cultural icons associated with literary classics and intellectual movements. Test your knowledge about famous publishing house logos that have adorned the spines and title pages of countless beloved books throughout literary history.

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Penguin Random House
Doubleday
Aldine Press (now part of Penguin Classics)
HarperCollins