Five US Exhibition catalogues, pre 1950, including Ackermann et al, 'Guide to the Exhibition of Persian Art' (New York 1940), (Ballard), 'Oriental Rugs in the Collection of James F, Ballard' (John Herron Art Institute, Indianapolis 1924), (Ballard/Dimand), 'The Ballard Collection of Oriental Rugs in the City Art Museum, St Louis' (1935), Bell, 'Carpets and other Textiles from Asia Minor' (Pennsylvania Museum 1919), Brooklyn Museum, 'Persian Art and its reaction on the Modern World' (1931)