Charles W. Eliot, edited
P. F. Collier & Son Corporation, 1959
Buku Referensi
Grolier Enterprises Corp, 1995
Buku Teks
Grolier Enterprises Corp, 1995
Buku Teks
edited by Charles William Eliot
Grolier Enterprises Corp., 1995
Buku Teks
Grolier Enterprises Corp., 1995
Buku Teks