Charles Francis Meserve was an early summer resident of Squirrel Island and an important educational reformer around the turn of the twentieth century. Charles married Fannie Philbrick, whose father, John W. Philbrick, built a house on Squirrel Island. Eventually, the Philbrick cottage passed to the Meserves and become home to their books.
Rosenberg, Daniel. "The Library of Professor Meserve." Maine History 46, 1 (2011): 90-106. https://digitalcommons.library.umaine.edu/mainehistoryjournal/vol46/iss1/6