A sailor stood on a burning deck, holding two puppies by the neck. What is name

Question:

A sailor stood on a burning deck, holding two puppies by the neck. What is name of this poem? Gene Haston.?

Poem: A sailor stood on a burning deck, holding two puppies by the neck. The Cap'n said"Just let them go." But the sailor didn't hear him cause those puppies were howlin so.
I would like to know what poem this stanza came from?

Best Answer - Chosen by Asker:

O CAPTAIN, MY CAPTAIN