Encyclopedia Britannica: A New Survey of Universal Knowledge Vol. IX (Extrad-GambGame-Guit).
Encyclopedia Britannica: A New Survey of Universal Knowledge Vol. IX (Extrad-GambGame-Guit). - Chicago : Encyclopedia Britannica Inc., c1961. - 1000p. illus (pbk) 29cm.
Encyclopedia and Dictionaries--c1961--Chicago--Paperback
Encyclopedia and Dictionaries--c1961--Chicago--Paperback