Biographical material, correspondence, notes, writings, photographs, business and financial records, works of art, and printed material document the career of painter and educator Michael Loew.

Photographs by Auer from a 1977 exhibition, "Through the Studio Door," at the Oshkosh Public Museum. Contains photographs of artists and celebrities who work or exhibit in Wisconsin, photographs of works of art, and miscellaneous photos.

The records of the Dorothy Weiss Gallery measure 18.7 linear feet and date from circa 1964 to 2001 (bulk 1984-2000). The collection documents the gallery's relationships with approximately three hundred artists, through artist files, exhibition files, and subject files, and is an excellent source of information on the work of contemporary ceramic and glass sculptors.

The papers of Mexican born painter, sculptor, and educator Octavio Medellin measure 3.6 linear feet and date from circa 1935 to circa 1979. The collection is comprised of correspondence with Carlos Mérida, Stanley Marcus, Lucy Maverick, Bess Hubbard, Xavier Gonzalez, and others; commission files for projects in Texas; professional files that include notes, biographical essays, and material for the Medellin School of Sculpture, Mendocino Art Center, International Institute of Arts and Letters, and the San Antonio Religious Show; printed and documentary materials consisting of an art reproduction, booklets, exhibition catalogs, magazines and yearbooks, and video recordings of Swank in the Arts; and photographic materials of Medellin, his studio, family and friends, travel in Mexico, his students, and works of art.

The papers of San Antonio painter and educator Mel Casas measure 1 linear foot and date from 1963 to 1998. The collection is comprised of biographical material including files on the art collective Con Safo, correspondence regarding business and exhibitions, writings by Casas on Chicano art, printed materials documenting Casas's career and Con Safo events, and photographic materials, including photos and slides of Casas and others, his artwork, and an exhibition.

Art dealer Leroy Ireland's research material on George Inness measures 2.0 linear feet and dates from 1916 to 2007, with the bulk of the material dating from 1960 to 1971. The collection documents Ireland's research for his book The Works of George Inness: An Illustrated Catalogue Raisonne through correspondence, research files, and photographs of artwork.

The papers of California ceramicist and educator Marguerite Wildenhain measure 3.7 linear feet and date from 1930 to 1982. Found within the papers are biographical sketches; correspondence with patrons, students, and colleagues, including Eugene Anderson, T. S. Eliot, and Gerhard Marcks; writings by Wildenhain and others; designs for pottery and other artwork; one scrapbook; news clippings, exhibition catalogs, and scattered printed material. Also found are photographs of Marguerite and Frans Wildenhain, Pond Farm, workshops, exhibitions,and artwork, as well as two film reels depicting Wildenhain lecturing and in her studio. There is a 0.3 linear foot unprocessed addition to this collection donated in 2020 that includes photographs and negatives of Wildenhain's works of art, circa 1960-1970, (many in the collection of Forrest L. Merrill or Luther College) taken by David Stone and photographs at Pond Farm, circa 1980. Additional photographs are of Wildenhain and her works of art, circa 1950 (possibly taken by Otto Hagel).

The papers of painter and frame maker Hermann Dudley Murphy measure 2.8 linear feet and date from circa 1878-1982. Found are biographical materials, correspondence, writings, personal business records, printed materials, a scrapbook, photographs, and original artworks, including sketchbooks.

The papers of painter and educator Ethel Katz date from 1883 to 1974 and measure 1.7 linear feet. The scattered papers include biographical material, correspondence, photographs, printed material, extensive sketches and sketchbooks, and writings.

The Mabel Alvarez papers measure 2.3 linear feet and date from 1898 to 1987. The papers include scattered biographical information, scattered letters, unpublished prose, printed materials, sketchbooks, expense books, notebooks, diaries and journals, address books, photographs, and scrapbooks documenting the life and career of Los Angeles painter Mabel Alvarez.