1. Otdel Rukopisei Gosudarstvennogo Russkogo Muzeia (ORGRM) (State Russian Museum, Manuscript Division, St Petersburg), fond 137/1186/2, reverse.
2. Cambridge University Library, Department of Manuscripts and University Archives, Sir Ellis Hovell Minns: Correspondence, Likhachev, N. P., Letters to Sir Ellis Minns (1906–35), Add. 9436/87–108.
3. Cambridge University Library, Department of Manuscripts and University Archives, Sir Ellis Hovell Minns: Correspondence, MS Add. 9436/102.
4. Cambridge University Library, Department of Manuscripts and University Archives, Sir Ellis Hovell Minns: Correspondence, MS Add. 7722.
5. Correspondence between Nikodim Kondakov and Ellis H. Minns, Literarní archív Památník národního písemnictví, Prague.