Helen Parkhurst papers relating to the Children's University School, 1922 Box 3 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Josephine Boardman Crane papers relating to the Dalton School, 1915-1972, bulk 1915-1930
"History - The Dalton Plan," by Miss Helen Parkhurst, 1930 July Box 1 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Josephine Boardman Crane papers relating to the Dalton School, 1915-1972, bulk 1915-1930
"Illustrated mathematical talks by pupils of the Lincoln school," pamphlet, circa 1919 Box 2 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Josephine Boardman Crane papers relating to the Dalton School, 1915-1972, bulk 1915-1930
Japanese arithmetic assignment, undated Box 2 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Josephine Boardman Crane papers relating to the Dalton School, 1915-1972, bulk 1915-1930
Josephine Boardman Crane papers relating to the Dalton School, 1915-1972, bulk 1915-1930 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library
Josephine Crane correspondence relating to the Dalton Plan, 1923 Box 3 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Josephine Boardman Crane papers relating to the Dalton School, 1915-1972, bulk 1915-1930
Lectures by Maria Montessori at the Montessori Normal College, New York City, transcripts, 1916 Box 3 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Josephine Boardman Crane papers relating to the Dalton School, 1915-1972, bulk 1915-1930
Letter from Michael Sadler, University of Leeds, to Josephine Crane, 1923 Box 3 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Josephine Boardman Crane papers relating to the Dalton School, 1915-1972, bulk 1915-1930
Letters from Helen Parkhurst to Josephine Crane, 1921-1925 Box 3 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Josephine Boardman Crane papers relating to the Dalton School, 1915-1972, bulk 1915-1930
Letters to Josephine Crane, 1921 Box 4 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Josephine Boardman Crane papers relating to the Dalton School, 1915-1972, bulk 1915-1930