found: Profile O'Donnell + Tuomey, c1997:t.p. (Wolfgang Volz)
found: LC data base, 06-22-99(hdg.: Volz, Wolfgang, 1948- ))
found: Kurisuto, za Anburerazu, 1987t.p. (Wolfgang Voltz; Vorufugangu Forutsu)
found: The mastaba, 2012:title page (Photographs by Wolfgang Volz) page 1 jacket (Wolfgang Volz, born 1948, has worked with Christo and Jeanne Claude as the exclusive photographer of their works since 1971)
found: Wikipedia, August 3, 2017:(Wolfgang Volz, born January 17, 1948 in Tuttlingen, Germany)