Library of Congress Subject Headings
Half-dollar [info:lc/authorities/subjects/sh85058420]
Commemorative coins--United States [info:lc/authorities/subjects/sh85028895]
Library of Congress Name Authorities
Allen, Ethan, 1738-1789 [info:lc/authorities/names/n79139711]
Vermont [info:lc/authorities/names/n79007067-781]