lower right in ink: ST. / Saul Steinberg / Steinberg (underlined) / STEINBERG (underlined) / 67; upper left verso in graphite: 37 [44 (crossed out)] La Scala di Ferro K (underlined) #37
- A Century of Drawing, National Gallery of Art, Washington, 2001-2002, no. 113, as La Scala di Ferro (The Iron Staircase).
- A Century of Drawing. Exh. cat. National Gallery of Art, Washington, 2001-2002: no. 113.