Gilbert, Douglas R., “Grant's Drug Store, Hannibal, Missouri,” Digital Collections, accessed December 14, 2025, https://digitalcollections.library.gvsu.edu/document/53621.
Black and white photograph of the interior of "Grant's Drug Store" in Hannibal, Missouri. In 1846, Mark Twain's family fell on hard times and was invitied to live with the Grant family in the rooms located above their pharmacy. Scanned from the negative.