References
- Connor , Frances P. 1966 . An Experimental Curriculum for Young Mentally Retarded Children , New York : Teachers’ College Press .
- Russell , David H. 1961 . Children Learn to Read , New York : Ginn and Co. .
- Rudolph , Marguerita and Cohen , Dorothy H. 1964 . Kindergarten: A Year of Learning , 303 – 330 . New York : Appleton‐Century Crofts .