Picture book
In 1938, the American Library Association (ALA) began presenting annually the Caldecott Medal to the most distinguished children's book illustration published in the year. The Caldecott Medal was established as a sister award to the ALA's Newbery Medal, which was awarded to a children's books "for the most distinguished American children's book published the previous year" and presented annually beginning in 1922. During the mid-forties to early fifties, honorees included Marcia Brown, Barbara Cooney, Roger Duvoisin, Berta and Elmer Hader, Robert Lawson, Robert McCloskey, Dr. Seuss, Maurice Sendak, Ingri and Edgar Parin d'Aulaire, Leo Politi, Tasha Tudor, and Leonard Weisgard.
Caldecott Medal
The 2019 committee named four Caldecott Honor Books. The annual number of runners-up has ranged from one to six, same as for the Newbery Medal during the same timespan, from 1938. Indeed, for twenty years from 1993 to 2012 there were two to four Honors every year.