This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Correspondence Allen John and Engelmann George Jan verso BHL. Correspondence Allen John and Engelmann George Jan verso Text Illustration John Alphonse Allen to Engelmann biodiversitylibrary org Allen John Alphonse Permission to digitize granted by rights holder Biodiversity Heritage Library Check categories October