J. Langdon Down

• Mental Affections of Childhood and Youth (Classics in Developmental Medicine (Mac Keith Press))
• On some of the mental affections of childhood and youth
• On some of the mental affections of childhood and youth
• On some of the Mental affections of childhood and youth ..
• Mental Affections Childhood (Classics in Developmental Medicine)
• On Some of the Mental Affections of Childhood and Youth : Being the Lettsomian Lectures Delivered Before the Medical Society of London in 1887