Authors:

As dry leaves that before the wild hurricane fly, when they meet with an obstacle, mount to the sky. So up to the house-top the coursers they flew, with the sleigh full of toys, and St. Nicholas too.

Clement Clarke Moore (1934). “The Night Before Christmas: (A Visit from St. Nicholas).”, p.21, Courier Corporation
As dry leaves that before the wild hurricane fly, when they meet with an obstacle, mount to the sky. So up to the house-top the coursers they flew, with the sleigh full of toys, and St. Nicholas too.