Behrend, Anneliesa Clump. Book, play, bus mark VHP's Fourth Anniversary. - Washington-XXU : American Folklife Center, 2004. - p. 10-11 : il. - Trimestral - Vol. XXVI, no. 4(Fal..2004) - Folklife center news ; Vol. XXVI, no. 4 . Inglés.