Purchased from Bertoia Studio, Bally, Pennsylvania, 1978
Sotheby's, New York, "Arcade Fine Arts: 19th Century to Contemporary Including American," September 29, 2004, lot 310
Acquired from the above by the present owner
Nancy N. Schiffer and Val O. Bertoia, The World of Bertoia, Atglen, 2003, pp. 106-22 for similar examples