Black and white photograph of Robert H. Merrill standing between a stone wall and columns in the Triangular Forum at Pompeii.

Black and white photograph of Robert H. Merrill standing in the House of Pansa between two walls with columns in the background. A sign on the right side of the frame reads "DOMVS CN ALLEI NIGIDI MAI."

Black and white photograph of the brick wall of the central baths at Pompeii.

Black and white photograph of partially buried skeletons in Pompeii, Italy.

Black and white photograph stone table legs carved with lion motifs in Pompeii, Italy.

Black and white photograph looking south from a tower over Via di Mercurio, Pompeii, Italy.

Black and white photograph (damaged negative) of mastodon bones in an excavation site.

Black and white photograph of two men creating plaster casts of mastodon bones, Jonio, Italy(?).

Black and white photograph of three men carrying a cast of a mastodon bone out of an archaeological site of mastodon bones.

Black and white photograph of the interior of a section of the Cuicuilco Pyramid from above. A man holding a sombrero is standing in the center of the image, surrounded by plaster walls.

Black and white photograph of wooden archaeological rulers on a site of petroglyphs with shrubs and field grass in the background.

Black and white photograph of an archaeological plot with bison bones and a spade.