The Eva Erickson papers date from 1925 to 2003 and measure 5 linear feet. The papers are arranged in eight series: Biographical, Autobiographical Writings, Correspondence, Education and Employment, Organizations, Rosa Lemberg, Scrapbooks, and Artifacts.

The Biographical series includes memorials and tributes to Erickson at her death, a medical history report, and an astrological reading from 1974. Also included is a genealogy of her father's Finnish background dating back to the 1700s.

The Autobiographical Writing series consists of several short stories written by Erickson between 1938 and 2002 which reflect on her childhood memories, family history, and retirement. In her 1938 short story, “As a Kid in Wisconsin,” Erickson describes life on the Wisconsin farm of her Aunt Hilkku and Uncle Jack. This story was published in The Finnish American Reporter in 1987. Her autobiography, "First a Finn Kid," was written in 1994 and published by Finnish Americana and is included in the collection.

The Correspondence series includes letters in Finnish (and their corresponding translations) between Erickson and her mother throughout their lifetime and over 50 years of Eva's annual Christmas letter.

The Education AND Employment series includes school reports from high school and university, an English notebook, a copy of her dissertation, a curriculum vitae, and correspondence from places of employment.

The Organizations series holds administrative material from the Finnish American Translator Association in which Eva served as secretary for a time. Newsletters from University of Iowa Nursing Service Administration program are also in this series.

The Rosa Lemberg series contains the biography Eva wrote on the Finnish immigrant entertainer who she knew as a child in 1993. Also included is correspondence with Rosa Lemberg family members and with the publishing company.

The Scrapbooks series contains pictures from ranging from Eva Erickson's early adulthood to her retirement, greeting cards and newspaper clippings. Also included are photos of Eva's well-known angel collection. There are many pictures portraying Eva throughout her nursing career and wonderful photos of Eva as a high school student participating in sports and with friends.

The Artifacts series houses a nurse's cap worn by Eva early in her nursing career.