Correspondence, documents, diaries and notebooks, photographs, printed materials and memorabilia of Olga Ivanovna Subbotina (or Soubbotine, 1886-1963), her grandmother, Mariia Sergeevna Benckendorff, and her sister, Elizaveta Ivanovna Taube (Mrs. Harold Roberts). The correspondence includes letters and telegrams of Aleksandra Fedorovna, Empress of Russia. The letters of Mariia Benckendorff's son, Vasilii Dolgorukov, provide information about the Imperial family in 1916-1918. There are diaries and notebooks of Marii Benckendorff, Pavel Konstantinovich Benkendorff, Ol'ga Subbotina and Elizaveta Taube. Among the documents are IDs, birth and marriage certificates, passports, wills, etc. Financial and legal documents include a file entitled "Claim against the National Bank of New York", which contains material about the exile of the Imperial family to Tobolsk and Ekaterinburg, as do other folders. There are photographs of immediate and extended family members, Nicholas II and his family and European royalty. There is also family and Alexandra Fedorovna's, Empress of Russia, memorabilia.