Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Charles Caldwell (physician):

"

Caldwell was elected a member of the American Antiquarian Society in 1815.[2] A significant number of copies of Caldwell's 18th and 19th century publications, including copies of the Port folio, survive in the collections of the AAS.[3] Other institutions holding original copies of Caldwell's publications include the United States National Library of Medicine, and Harvard's Francis A. Countway Library of Medicine.[citation needed]