Columbia subject headings:
Communicative disorders in children.
Perceptual disorders.
Reading disability.
Harvard subject headings:
Communicative disorders in children--Congresses.
Communicative disorders in children.
Perceptual disorders--Congresses.
Perceptual disorders.
Reading disability
Reading disability--Congresses.
Princeton subject headings:
Communicative disorders in children.
Perceptual disorders.
Reading disability.