Collection label “Sammlung Reidel 8169” Bib.: A. Adlerova, E. Ploil, H. Ricke, T. Vlcek (ed.), Loetz – Böhmisches Glas 1880-1940, vol. I, Werkmonographie, Prestel publ., Munich 1989, dep. 23, p.78; A. Adlerova, E. Ploil, H. Ricke, T. Vlcek (ed.), Loetz – Böhmisches Glas 1880-1940, vol. II, paper pattern catalogue, Prestel, Munich 1989, paper pattern prod. no. 7024/I, p. 22