Picture of boat with one man at stern. Written beneath: For Immediate Sale--$660 Friendship Sloop Pemaquid. 25’ overall. 8’6” beam. 4’6” draft. Sails and rigging excellent shape. Full equipment. Able sea boat. In commission Marblehead. Demonstration gladly given. Andrew Hepburn, owner, 1850 Devonshire Street, Boston Mass. Ballard #69-7 The Charles Butt Collection
W. H. Ballard, “Friendship Sloop Pemaquid,” Mount Desert Island Historical Society, accessed April 29, 2024, https://mdihs.digitalarchive.us/items/show/6637.Item 7003
