2 examples of playfields in sentences

I have known dogs, and I have known school heroes that, set aside the fur, could hardly have been told apart; and if we desire to understand the chivalry of old, we must turn to the school playfields or the dungheap where the dogs are trooping.

1675, and in Playfield's Antidote against Melancholy, 8vo.

2 examples of  playfields  in sentences