"Thannhauser Collection". Archived from the original on 2014-06-25. Retrieved 2014-06-16. Exhibitions: Thannhauser Collection, The Solomon R. Guggenheim Foundation
"Thannhauser Collection". Archived from the original on 2014-06-25. Retrieved 2014-06-16. Exhibitions: Thannhauser Collection, The Solomon R. Guggenheim Foundation