Please ask for them in the Historical Library. Periodicals of any century, reference books, and books published before 1900 generally do not circulate. Retrospective conversion of the Medical Library's books has recently been completed. LC call numbers beginning with R are on the main floor. Take the stairs or elevator in the left corner of the Reading Room as you enter the room.
Oversize books are in the cabinets below the shelves on the left side of the balcony.
Take the left hand stairway in the Information Room down two floors. History of Medicine periodicals are located in the same area as Biographies and Collective Biographies. They are arranged alphabetically by title. Ignore all articles, conjunctions, and prepositions. The most recent issue of each periodical is located in a display rack in the Historical Library Reading Room.