Five Fragments of Tufa

Unidentified culture

Marble Fragment or Paving Stone

Marble Chip from Lycosura

Greek

Marble Chip from Lycosura

Greek

One of Three (Not Joining) Marble Fragments

One of Three (Not Joining) Marble Fragments

Four Miscellaneous Fragments of Brick and Plaster

Unidentified culture

Six Obsidian Fragments (Not joining)

Unidentified culture

Three Fragments of Limestone (Not Joining)

Greek

Marble Fragment

Unidentified culture

Fragment of Plaster

One of Three (Not Joining) Marble Fragments

Piece of Weathered Gypsum

Greek

Caves of Tianlongshan, Taiyuan, Shanxi Province

Chinese

Sample of Sandstone from Yungang Caves, near Datong, Shanxi province

Chinese

Sample of Sandstone from Yungang Caves, near Datong, Shanxi province

Chinese

Sample of Sandstone from Yungang Caves, near Datong, Shanxi province

Chinese

Competition Entry for Model Housing Development, Berlin-Spandau-Haselhorst, 1928-1929; Original of BRGA.37.2

Unidentified Artist

Deposit of Lime Carbonate from an aqueduct

Postcard from the Studio for the First Amendment, 1943 - 1987

Christopher Wilmarth