Schurmann, U. (1971). Caucasian rugs: A detailed presentation of the art of carpet weaving in the various districts of the Caucasus during the 18th and 19th century / Ulrich Schurmann. Allen & Unwin [u.a.].

Schurmann, Ulrich. Caucasian Rugs: A Detailed Presentation of the Art of Carpet Weaving in the Various Districts of the Caucasus During the 18th and 19th Century / Ulrich Schurmann. London: Allen & Unwin [u.a.], 1971.

Schurmann, Ulrich. Caucasian Rugs: A Detailed Presentation of the Art of Carpet Weaving in the Various Districts of the Caucasus During the 18th and 19th Century / Ulrich Schurmann. Allen & Unwin [u.a.], 1971.