I think those girls in his black magic circle obey him to the letter.

And he intended to obey the book to the letter.

You will be destroyed if you do not obey these instructions to the letter.

"I have instructions for you, and you must obey them to the letter."

No matter; so far he was obeying his orders to the letter.

They would obey Tarru's orders to the letter and do no more.

I obeyed your instructions on that point to the letter.

Then obey my orders to the letter, or I'll put you under arrest!

I expect you to obey them to the letter.

You've got to obey instructions - to the letter.