There is more than one volume or copy available for this title.
Main entry uniform title:
On the migration of birds.
Soulsby no. 1323/5,Soulsby no. 1940
Place of publication:
In : Linnæus (C.) afterwards Linné (C. von) Select dissertations from the Amœnitates academicæ, etc. 1781. 8o.
Additional corporate author(s):
Collective uniform title: