File:Joseph Leidy signature.jpg

Summary
Signature of Joseph Leidy. Date

1891(1891) Source

Chapman Henry C. 1891. Memoir of Joseph Leidy, M.D., LL.D. Academy of Natural Sciences, Philadelphia. http://www.us.archive.org/GnuBook/?id=memoirofjosephle00chaprich#7 Author

Joseph Leidy (1823-1891)