Italian physician and education theorist (1870–1952) who devised the innovative approach to early childhood learning that bears her name. TLS in German, one page, 8 x 9.75, Association Montessori Internationale letterhead, July 31, 1937. Letter to Emil Juel-Frederiksen in Rødovre. In part (translated): “I thank you sincerely for your kind gift, which is such a touching souvenir of Denmark in summer. It is my pleasure to send you my autograph in the signature to these lines.” Lightly trimmed edges, bisecting folds, and a few creases, otherwise fine condition. Accompanied by the original mailing envelope. RR Auction COA.