The collection is arranged into thirteen series:
- Series 1: Biographical Material, circa 1888-1965 (box 1; 1 folder)
- Series 2: Correspondence, 1915-1972 (box 1; 0.6 linear ft)
- Series 3: Financial Material, 1933-1971 (box 1; 2 folders)
- Series 4: Notebook/Notes, undated (box 1; 2 folders)
- Series 5: Projects, 1880-1969, undated (boxes 1-2; 1.2 linear ft.)
- Series 6: Subject File, 1960-1968 (box 2; 1 folder)
- Series 7: Printed Material, 1916-1992, undated (boxes 2-4, 7; 1.5 linear ft.)
- Series 8: Photographs, circa 1900-1975, undated (box 4; 15 folders)
- Series 9: Slides of Art Association, Iowa Farmland and the Chrysler Museum, circa 1960, undated (box 4; 1 folder)
- Series 10: Drawings, circa 1929-1934 (box 5; 1 folder)
- Series 11: Sketchbooks, 1913-1969 (boxes 5-8; 2.5 linear ft.)
- Series 12: Annotations/Item Descriptions by Josephine Couch Del Deo, undated (box 6; 2 folders)
- Series 13: Dorothy Lake Gregory Moffett Papers, circa 1870-1975 (boxes 9-11; 0.7 linear ft.)