Which major publishing house's logo features a dolphin wrapped around an anchor, a symbol dating back to the 16th century Venice?

Publishing houses have some of the most distinctive and meaningful corporate logos in the business world, often reflecting their literary heritage and values. These visual identities become synonymous with the books we love and collect. Test your knowledge of these iconic symbols that grace the spines and title pages of your favorite books. Can you identify which famous publisher is represented by these distinctive brand marks?

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Penguin Random House
Doubleday
Aldus (now part of Penguin Classics)
Oxford University Press