Hale started out as a book cover and bookplate designer, but is most well known for his jewelry designs. He set up his jewelry and design studio in Boston in 1907.
Monograms used: "FBS, BS or S, horizontal or often vertical initials within a box with a straight or scalloped line; distinct from Bertha Stuart whose BS initials are slanted and pointed" - From "Publishers Bindings Online" website, University of Alabama
Frances signed her cover designs with a FBC monogram framed in rectangle. She and her husband, Enos Benjamin Comstock, were both on staff at McLoughlin Bros. in New York City.
Florence was an American illustrator who ran an illustration school in Saugerties, New York, and then later in New York City, at 48 Charles Street in Manhattan.
Florence was attributed as the designer for several cover designs that were actually the work of Daisy Fletcher. Florence was primarily an illustrator, notably for magazines and children's books.