[2][4] While living in Rome she would visit the Bioparco di Roma zoo for inspiration.
[5] She wasn't a supporter of Mussolini's politics, and she chose this specific horse after seeing him in a parade.
[6] The Porter Memorial Library in Maine contains a bronze statue by Jackson of Ichabod Crane, the fictional character from The Legend of Sleepy Hollow.
[7] Jackson was active in mountaineering and American and Italian alpine clubs for many years.
[1] She was elected in 1956 as an Associate of the National Academy of Design in New York City, and as an Academician in 1961.