Date: August 1921 Creator: O. C. Simonds & Co. Type: Map Description:Conceptual oxbow ponds/wetlands along East Branch of the DuPage River are indicated. Extent: 1 sheet
Date: 1923 Creator: Teuscher, Henry Type: Plan Description:Based on plan first done by O.C. Simonds & Co.m titled Plan for Caprifoliaceae: Viburnum, Lonicera, Diervilla, Sambucus, Symphoricarpus, Dipelta [and] Kolkwitzia, Morton Arboretum.
Notes added in ink. Extent: 1 sheet
Date: September 11 1987 Type: Audio Description:Lecture titled "The Story of The Morton Arboretum Prairie Restoration" given by Ray Schulenberg as part of the 25th Anniversary Celebration of The Morton Arboretum Prairie. Extent: 1 audio cassette
Date: January 19 1978 Type: Audio Description:Lunching and Learning program presented by Suzette Morton Davidson on the topic of Morton family history. Introduction by Charles Lewis. Extent: 1 audio cassette
Date: January 25 1978 Type: Audio Description:Lunching and Learning program presented by Clarence Godshalk as he describes the evolution of the Arboretum, from farm land to Arboretum. Extent: 1 audio cassette