. "Lockman" . "DeWitt McClellan" . "DeWitt McClellan Lockman" . "1870" . "1957" . . . . "2018-03-12" . . . "Lockman" . "DeWitt McClellan" . "DeWitt McClellan Lockman" . "1870" . "1957" . . "The folder may include clippings, announcements, small exhibition catalogs, and other ephemeral items." . . "199149663" . . "Lockman, DeWitt McClellan, 1870-1957 : [miscellaneous ephemeral material]." . . . "Vertical files" . . "199149663" . .