Collection containing primarily engravings, watercolors, and drawings executed by English-born artist and engraver William Birch and his descendants between the 18th and later 19th century. Several of the graphic materials are by William Birch and represent engraved work he completed in Britain before 1794 and following his immigration to the United States that same year. Birch’s works in the collection take the form of watercolors, drawings, paintings, a sketchbook, and as photographic reproductions.