[5][6] The bureau was intended to foster research into, and development of, experimental and progressive education, and was influenced by the thinking of Edward Thorndike and John Dewey, both of whom Mitchell had studied with at Columbia University.

[7] In 1919 the bureau started a nursery school for children from fifteen to thirty-six months old; Harriet Johnson was the director.

[3] It is one of about hundred schools in the Manhattan area which participate in the national Head Start Program of the Early Childhood Learning & Knowledge Center of the U.S. Department of Health & Human Services.

Its final location was on Broadway and West 107th Street until its closing in August 2020, due to the Coronavirus pandemic.

[19] The bookstore also hosted readings, daily story time, and celebrity events, with past guests including Stephen Colbert, Julianne Moore, and author Jeff Kinney.