The international cyclopedia of music and musicians / edited by Oscar Thompson
Dodd, Mead & Company, 1956
 Buku Referensi
Coyne television cyclopedia : a practical reference book on television receivers and reception / General editors Bennett W. Cooke, Silas C. Narland and Raymond A. Snyder
Educational Book, 1951
 Buku Teks
The encyclopedia American
Americana Corporation, 1980
 Buku Referensi
Stimpson, George
Book about a thousand things / by George Stimpson
Harper and Brothers Publisher, 1946
 Buku Referensi
Weideman, Hugh
The rapid fact finder : a desk book of universal knowledge / compiled by Hugh Weideman
Thomas Y. Crowell Company, 1958
 Buku Referensi