1969
Gagosian Gallery, 1969
Ed Ruscha, 1972
Collectors Committee, 1986
Collectors Committee, 1968
Collectors Committee, 2003
Heavy Industry Publications, 1969
Collectors Committee, 1969
Collectors Committee, 1992
Ed Ruscha, 1965
Collectors Committee, 1932
Collectors Committee, 2004
![Colmena [Beehive]](https://api.nga.gov/iiif/f978383a-39ad-4c9f-b671-3ffa291e4613/full/843,/0/default.jpg)
![Untitled: Four Etchings [A]](https://api.nga.gov/iiif/2ca20455-4bb2-445c-aef1-b5065ae6292a/full/843,/0/default.jpg)
