Pears cyclopaedia a book of reference and background information for everyday use (London Pelham Books)
Library has 69th ed(1960-61); 70th ed(1961-62); 77th ed(1968-69); 83th ed(1974-75); 87th ed(1978-79); 90th ed(1981-82).
Keywords: General encyclopedic works; Pears cyclopaedia