1976
Jasper Johns, 1979
Patrons' Permanent Fund, 1775
Jasper Johns, 1967
Patrons' Permanent Fund, 1893
Patrons' Permanent Fund, 1979
Jasper Johns, 1981
Pappajohn, John, Mr. and Mrs., 1979
Patrons' Permanent Fund, 1940
Glenstone, 1976
Patrons' Permanent Fund, 1978
![Feet (b) [trial proof 8]](https://api.nga.gov/iiif/6d8e1552-5555-47a9-8298-28f08304aea8/full/843,/0/default.jpg)
![Watchman [working proof]](https://api.nga.gov/iiif/76fc40be-48de-49c4-a84a-bef2d0bea4f3/full/843,/0/default.jpg)
![Periscope [state proof of 10th state]](https://api.nga.gov/iiif/8fad78f2-f6f8-4efb-abb7-82fbe64816ee/full/843,/0/default.jpg)
![Cicada II [trial proof]](https://api.nga.gov/iiif/6f7b075c-bab4-445f-b0ae-5304fb9b8eb6/full/843,/0/default.jpg)
![Target with Four Faces [working proof]](https://api.nga.gov/iiif/320f78d1-a64a-4d44-8e92-33f5bf76c28c/full/843,/0/default.jpg)
![Flagstones (endpaper) [trial proof 2]](https://api.nga.gov/iiif/8c11cc8d-4cdd-4197-90b0-77b38c4af943/full/843,/0/default.jpg)
![Targets [preparatory drawing]](https://api.nga.gov/iiif/efee6827-ef3b-44f3-8156-540304b18ddc/full/843,/0/default.jpg)
