Reference and Information Centre holds Latvian and the world's most important universal reference collection. The collection consist of:
- Encyclopedias, encyclopedic dictionaries (general and national),
- Dictionaries (general, bilingual, terminological, explanatory, biographical, bibliographical),
- Cultural travel guides,
Reference and Information Centre is constantly developing and supplemented with new printed materials, there are special collections:
- Collection of reference literature (basic information in different fields of knowledge),
- Collection of the National "Zelta ābele" (Golden Apple-Tree) Book Art Competition
- Novelties (books published in Latvia during last 5 years).