Sapoznik, Henry. Folklife center news ; Vol. 32, no. 3-4 - Washington-XXU : The Library of Congress, 2010. - p. 17-23: il. - Irregular - Vol. 32, no. 3-4(2010) - Folklife center news ; Vol. 32, no. 3-4 . - The Library of Congress. Estados Unidos. .