The Wizard of Oz by Lynam Frank Baum Chapter 12 Page 6

Then he put down his axe and sat beside the Scarecrow, who said, “It was a good fight, friend.”

They waited until Dorothy awoke the next morning. The little girl was quite frightened when she saw the great pile of shaggy wolves, but the Tin Woodman told her all. She thanked him for saving them and sat down to breakfast, after which they started again upon their journey.

Now this same morning the Wicked Witch came to the door of her castle and looked out with her one eye that could see far off.

She saw all her wolves lying dead, and the strangers still traveling through her country. This made her angrier than before, and she blew her silver whistle twice.

Straightway a great flock of wild crows came flying toward her, enough to darken the sky.