This is an in-universe meta-category about the Doctor.
So as to avoid recursion, please do not place this category anywhere but Category:Catalogue of Life.
“Contradictory information has pointed at different estimates of the Doctor's age, both in...The Doctor's age
“The Doctor's rules were a series of guidelines created by the Doctor for his companions. As...The Doctor's rules
“The Doctor's mind was the inner consciousness within the Doctor's brain. Mr Clever attempted to...The Doctor's mind
This category has the following 12 subcategories, out of 12 total.