4 public-domain matches

Feeblemindedness

Cover of Mental deficiency (amentia)

Mental deficiency (amentia)

Alfred Frank Tredgold

Cover of Types of mental defectives

Types of mental defectives

Martin W. Barr

Cover of Clinical Studies In Feeble-Mindedness

Clinical Studies In Feeble-Mindedness

Edgar A. Doll

Block-Design Tests

Block-Design Tests

Samuel C. Kohs