This collection includes 137 letters from Georgia O'Keeffe to Claudia O'Keeffe and a collection of O'Keeffe Family photographs. Accruals from 2019 include a drawing and a ribbon bookmark.

The collection consists of graphite drawings by Santa Fe University of Art and Design students participating in the Drawn Archive Project from 2014 to 2017.

This collection includes photographic material relating to Georgia O'Keeffe and her properties dating from 1908 to circa 1966. In addition to photographs there are clippings, prints, correspondence, printed material, and a watercolor and graphite drawing.

The Maria Chabot Papers documents the life and work of Maria Chabot. The bulk of the items date from 1933 to the 1990s. There are biographical materials, correspondence, research, writing, materials related to her friendships, and materials related to her interests and many projects in the American Southwest.

This collection consists of research conducted by Barbara Buhler Lynes with Judith Walsh to complete a paper survey of the types of paper used by Georgia O'Keeffe. This survey was completed during the course of creating the catalogue raisonné. Materials include paper profile sketch research and different database printouts of research findings. The collection dates 1993-2003, with some materials undated.