Are these the keys ?" "Yes, sir.

The large one belongs to the wicket in the front gate.

The other is the latch-key belonging to the side door.

Mrs.Shallybang has the key of the front door." "Thank you," said Thorndyke.

He took the keys, to which a wooden label was attached, and we made our way back towards the house of mystery, discussing the clerk's statements as we went.
"A very communicable young gentleman, that," Thorndyke remarked.