€ 7,00
XXXIII,127 p. Cloth. 17 cm (Text & commentary) (Backstrip partly split)
London, MacMillan and Co., 1926.
med verrall 1926
Leipzig, B.G. Teubner, 1961.
Paris 1958.
Amst., Hakkert, 1966.
Madrid, Consejo Superior de Investigaciones Científicas, 1997.