1824 Narrative of a Pedestrian Journey Through Russia and Siberian Tartary ..., Т. 1. анг. гугл. читать.
1824 Narrative of a Pedestrian Journey Through Russia and Siberian Tartary ..., Т. 2. анг. google.
1825 Cochrane, John Dundas. ...Russia and Siberian Tartary, to the frontiers of China. т. 1. анг. архив. читать.
1825 Cochrane, John Dundas. ...Russia and Siberian Tartary, to the frontiers of China. т. 2. анг. архив. читать.