 To commemorate the book's record-breaking sale, the museum decided to display its copy (for which the museum eventually paid 2200 guilders—a fortune at the time—during the years 1827–1838) until January 2011.The Buffalo & Erie County Public Library's Rare Book Room has a complete "Birds of America," which is often on display.All of Audubon's and Mason's known extant watercolors preparatory for "Birds of America" are housed at the New-York Historical Society in New York City.