Churasanische Baudenkmaler.
1. Band. Mit einem Beitrage von Max van Berchem. [All published] Berlin 1918
First edition Folio, pp.xi, 116, 41 plates, 5 in colour, folding map. Arbeiten des Kunsthistorischen Instituts der K.K. Universitat Wien (Lehrkanzel Strzygowski) Band VII. A very good copy bound in full contemporary calf, a little rubbed.
Diez travelled through northern Persia with Oskar Niedermayer in 1913, describing and photographing the monuments. It was the photographs in this work that inspired Robert Byron to visit Persia (see Knox, A Biography of Robert Byron, p.289-90).