1991–1992
Collectors Committee, 2004
Collectors Committee, 1986
Collectors Committee, 1967
Collectors Committee, 1937
Collectors Committee, 1936
Collectors Committee, 1993
Collectors Committee, 2002
Collectors Committee, 1969
Collectors Committee, 1991
Collectors Committee, 2005
Collectors Committee, 1997
![Studies for Constructivist Sculptures [verso]](https://api.nga.gov/iiif/b286b6a7-fa6f-4082-a8e0-448d56ce5d31/full/843,/0/default.jpg)
