The United Nations iLibrary holds more than 3,500 publications in all official languages of the United Nations: English, French, Spanish, Russian, Chinese and Arabic as well as bi-lingual and tri-lingual publications. These publications have been authored by the United Nations departments such as DESA, OHCHR and DPI, and agencies, funds and programs such as UNDP, ECLAC and UNFPA.

Databases of terminology and dictionaries can be searched parallely under an unique surface. Big dictionaries (Pons), pocket dictionary (Langenscheidt), dictionaries of law (Becher, Dietl/Lorenz, Doucet/Feck, Potonnier) -- Wörterbücher und Terminologie-Datenbanken können parallel unter einer einheitlichen Oberfläche durchsucht werden. Großwörterbücher (Pons), Taschenwörterbuch (Langenscheidt), Rechtswörterbücher (Becher, Dietl/Lorenz, Doucet/Feck, Potonnier)

Based on the digitization of K. G. Saur's Biographical Archives, WBIS Online provides biographical information on over 6 Million people from the 8th century B.C. to the present as well as from all countries and regions worldwide. The subscription covers all biographical archives, except the German Biographical Archive, DBA.