The collection includes correspondence, manuscripts, documents, photographs, subject files and printed materials. Correspondence consists mostly of letters to Elizaveta Miller. Memoirs and manuscripts are mostly by Miller and cover topics ranging from her childhood in St. Petersburg to her emigration to South Africa. Subject files include materials concerning her brother, Grigoriĭ Lozinskiĭ, a poet, translator and literary critic. Documents and photographs concern the Lozinskiĭ and Miller families. Printed materials consist of books, clippings, periodicals, and pamphlets; included is an "Almanach de St. Petersburg" (1911), with directories and a listing of names.