The Tokyo Main Library consists of two buildings (the main building and the annex), but generally the counter on the second floor of the main building is in charge of lending books and the counter on the second floor of the annex is in charge of lending periodicals.
東京本館は本館と新館の2棟から成り立っており、基本的に本館2階カウンターが図書、新館2階カウンターが雑誌の出納を担当している。