The following pages link to File:John Langdon Down.jpg:
Displayed 6 items.
- Trisomy 21 (file link) (← links)
- Paper - Observations on an Ethnic Classification of Idiots (file link) (← links)
- Historic Embryology Vignette (file link) (← links)
- Paper - Observations on an ethnic classification of idiots (1866) (file link) (← links)
- Template:Trisomy 21 Vignette (file link) (← links)
- Category:United Kingdom (file link) (← links)