Library of Congress Children's Subject Headings-IDідэнтыфікатар загалоўкаў дзіцячай тэматыкі Бібліятэкі КангрэсуID Library of Congress Children's Subject HeadingsLibrary of Congress Children's Subject Headings-identificatiecodeoznaka Library of Congress Children's Subject Headingsidentificador Library of Congress Children's Subject Headingsidentifiant Library of Congress Children's Subject HeadingsLibrary of Congress Children's Subject Headings ID