Social Sciences
Social pathology. Social and public welfare. Criminology
Protection, assistance and relief
Special classes
People with disabilities
Deaf. Hearing impaired
Education of the deaf
Systems of speech, etc.
Special
Finger spelling. Manual speech
Alphabets

Social Sciences--Social pathology. Social and public welfare. Criminology--Protection, assistance and relief--Special classes--People with disabilities--Deaf. Hearing impaired--Education of the deaf--Systems of speech, etc.--Special--Finger spelling. Manual speech--Alphabets
Alphabets--Finger spelling

Social SciencesSocial pathology. Social and public welfare. CriminologyProtection, assistance and reliefSpecial classesPeople with disabilitiesDeaf. Hearing impairedEducation of the deafSystems of speech, etc.SpecialFinger spelling. Manual speechAlphabets