LC Thesaurus for Graphic Materials II (TGM II)

LC Thesaurus for Graphic Materials II (TGM II)- "This is the main web page for the Thesaurus for Graphics Materials II: Genre and Physical Characteristic Terms. It is a thesaurus of terms developed by the Library of Congress Prints and Photographs Division, with input from other archival image repositories. This is a companion volume to the Thesaurus for Graphic Materials I: Subject Terms."