Teacher with children in the hospital classroom Model Image Publisher Standard Oil Company Member of Children's Mercy Hospital Collection
Girl in a crib with a nurse and Standard Oil visitors all around her Model Image Publisher Standard Oil Company Member of Children's Mercy Hospital Collection
Ruth Thomas teaching students with visitors looking on Model Image Publisher Standard Oil Company Member of Children's Mercy Hospital Collection
Standard Oil Co. guests observe work in the lab Model Image Publisher Standard Oil Company Member of Children's Mercy Hospital Collection
Standard Oil Co. guests visit the dentistry department Model Image Publisher Standard Oil Company Member of Children's Mercy Hospital Collection
