Repair Room. This is where books are repaired by the staff. It should be in the basement and near the bindery, and better connect with it.
Repository for Little Used Books, see Stack Depository.
Restaurant, see Public Restaurant.
Restricted Books, see Rare and Restricted Books.
Roof. Avoid skylights as much as possible, as the best of them will leak.
Rubber, see Floor Covering.
Safes, see Vaults.
Scientific Periodical Room, see Technical and Scientific Periodical Room.
Screens. Window screens should be provided to exclude dust, flies, mosquitoes, etc.
Service Stairs, see Stairs.