American
Winter [artist's proof]
The Seasons (Summer) [state proof of 13th state]
The Seasons (Summer) [trial proof]
The Seasons (Spring) [trial proof]
The Seasons [trial proof]
Untitled [trial proof]
Untitled [Secondaries with Primaries] [trial proof]
Untitled [Primaries with Secondaries] [trial proof]
, 1991
![Winter [artist's proof]](https://api.nga.gov/iiif/457f0cde-a37a-4536-879f-819ca88804e1/full/843,/0/default.jpg)
![The Seasons (Summer) [state proof of 13th state]](https://api.nga.gov/iiif/4a9e6865-6c66-451b-a522-126ad908c78e/full/843,/0/default.jpg)
![The Seasons (Summer) [trial proof]](https://api.nga.gov/iiif/d7a57a51-d6b0-49a2-b320-d631a9648d89/full/843,/0/default.jpg)
![The Seasons (Spring) [trial proof]](https://api.nga.gov/iiif/a188b1d2-1d71-4412-bfed-8a44418d2ac8/full/843,/0/default.jpg)
![The Seasons [trial proof]](https://api.nga.gov/iiif/c118cbfd-8dcd-45b0-a795-fbfe0bdf4e89/full/843,/0/default.jpg)
![Untitled [trial proof]](https://api.nga.gov/iiif/675c6b2d-f589-4414-9d5b-96aaccc08e45/full/843,/0/default.jpg)
![Untitled [Secondaries with Primaries] [trial proof]](https://api.nga.gov/iiif/cba646ff-42e3-403e-a467-5204aaf4ee65/full/843,/0/default.jpg)
![Untitled [Primaries with Secondaries] [trial proof]](https://api.nga.gov/iiif/1cb32d52-3300-4adc-93e9-2ba71cce44a9/full/843,/0/default.jpg)
![Untitled [proof of left element]](https://api.nga.gov/iiif/cda4bae3-1867-400b-8e11-6cbeb00144aa/full/843,/0/default.jpg)
![Untitled [proof of center element]](https://api.nga.gov/iiif/7acfbaf4-5b8b-45be-991b-6b88f2eb8697/full/843,/0/default.jpg)
![Untitled [proof of right element]](https://api.nga.gov/iiif/fe35cf57-6b59-4a93-8c58-13fba6f6f187/full/843,/0/default.jpg)