The library consists of 48,000 cataloged volumes. A significant portion of the collection is comprised of works on Russian history, culture, art, philosophy, and literature. The library also supports the curriculum of Holy Trinity Seminary and features books on religion, theology, and spirituality.
In addition to recent publications, the library has many books published in Russia before the Revolution, as well as Russian émigré publications. Another valuable library resource is the periodical collection, which includes numerous Russian secular and religious journals, magazines, newspapers and bulletins. Among these publication are rare monographs and periodicals that are held in few other libraries.
Several notable Russian emigre organizations donated their collections to the library. One such collection is the library of the Russian Nobility Association in America, donated in 2011, which contains many rare genealogical works.