By Herrmann, Eve
By George, Bobby, June, Nassner, Alyssa
By Highet, Gilbert
By E.M. Standing, Standing, E. M.
By Lawrence, Lynne
By Montessori, Maria
By Ebisujima, Jo
By Merryman, Ashley, Bronson, Po
By Hainstock, Elizabeth G., Havis, Lee
By Lillard, Angeline Stoll
By Fiona Carnie (Education Consultant, UK)
By Soo Kim Abboud, Jane Y. Kim
By Maria Montessori
By Catherine L'Ecuyer
By Mario M. Montessori, Paula Polk Lillard
By Ladybird
By Jouenne, Charlotte, Doumont, Gwenaëlle
By Curtis, Audrey
By Standing, EM
By Gettman, David
By Linda Miller, Linda Pound, Miller, Linda, Pound, Linda
By Pollard, Michael
By Mooney, Carol Garhart
By Linda Pound, Cathy Hughes
By Britton, Lesley
By Kirchner, Marie, Maubert, Nicole