The Ethel Palmer Breitenstein Robinson Papers consist of a scrapbook, two notebooks, newspaper clippings, an invitation and a birth announcement, photograph albums, and photographs. Of particular note are the scrapbook, photographs, and notebooks. The scrapbook primarily covers her time spent at Mount Holyoke College, 1906-1911, and chiefly contains items such as photographs of friends and schoolmates, programs, schedules, and invitations. Also of particular note are the photographs albums, dating from circa 1893-1962, which include three albums with photographs of herself, her husband Lloyd Nash Robinson, her children, and grandchildren. Also of note are two zoology notebooks that Robinson compiled for zoology courses she took while at Mount Holyoke. The notebooks include notes and sketches, some initialed sketches by Zoology Department faculty members Louise Baird Wallace, Julia B. Moody, Alice A. Noyes, Cornelia M. Clapp, or Mary A. Clark. Completing the collection is biographical information, consisting of newspaper clippings, wedding and birth announcements, and Robinson's obituary.

This collection is organized into four series:

• Scrapbook
• Notebooks
• Biographical Information
• Photographs