Bar Harbor Banking and Trust Company window display showing poster “Your vote makes a difference” with woman posing at left. Display of ballots for ‘74 election designed by Mary Booher for League of Women Voters membership drive, Sept. 18-24, 1974. Person posing in front of display is Mary Booher
Spiker, LaRue, “Mary Booher,” Mount Desert Island Historical Society, accessed March 16, 2025, https://mdihs.digitalarchive.us/items/show/9791.Item 10157
