Department telephone office hours 0512-5220905 Monday to Friday 9:00- 17:00 Registration Service Desk 05 12-5220920 Tuesday to Sunday 9:00- 16:30 Adult Lending Department 05/kloc. 38+02-5222092 1 Tuesday to Sunday 9:00- 17:00 newspaper reading room 05 12-52209 17 Tuesday to Sunday 9:00-20:30 reference reading room 05/kloc-. 2209 19 Tuesday to Sunday 9:00- 17:00 Information Consulting Center 05 12-52209 12 Tuesday to Sunday 9:00- 17:00 Historical Documents Department 05/kloc-. 9 13 Tuesday to Sunday 9:00- 17:00 Lecture Exhibition Center 0512-5220915 Tuesday to Friday 9: 00-17: 00051.