of which

[navit]

Are these sentences correct:

1) They are discussing the anatomy of the lion, of which animal there are many specimens in this region.

2) They are talking about the Fields Medal, of which medal the French have won thirteen.

3) We are studying the common cold, of which disease there are many types.

Gratefully,
Navi

[Alan]

Yes, these all illustrate the use of 'which' as a relative determiner. However, it is nowadays an increasingly archaic usage which, in general, I would not recommend to learners.