A--reading, reference and copying;J--lecture hall
B--staff only;K--reading room for reference books
C--closed shelves for undergraduates;L--return deposit
D--information retrieval room;M--reading room for Chinese social books
E--inter-library loan;N--title catalogue
F--display&reading room for new books;O--circulation for foreign books
G--multi-media reading room;P--card catalogue
H--reference department office;Q--periodicals and magazines
I--novelty research