The Metropolitan Museum of Art, New York (1917–41, original furnishing of the Museum's Restaurant and Tearoom; transferred in 1978 to the Department of Twentieth Century Art, MMA)
Georges Candilis et al. Bugholzmöbel / Meubles en bois courbé / Bent Wood Furniture. Stuttgart, 1980, p. 26, illlustrates similar chair with different leg brace as no. 48 in a Kohn 1904 catalogue.
Giovanna Massobrio and Paolo Portoghesi. Casa Thonet: Storia dei mobili in legno curvo. Bari, 1980, unpaginated, illustrates similar chair with different leg brace as no. 48 in Kohn 1906 catalogue.