
John Mix Stanley (American, 1814-1872)





Mary Vaux Walcott (American, 1860-1940)

Mary Vaux Walcott (American, 1860-1940)

William Allen Rogers (American, 1854-1931)







Russell, Morgan & Co. (American, 19th/20th century)



Samuel Ehrhart (American, 1862-1937)




Dow Chemical Company (American, 19th/20th Century)







Beckman Instruments (American, 20th Century)
