Hansen, Alvin H. (Alvin Harvey), 1887-1975, author
W.W. Norton, 1951
Buku Teks
Hansen, Alvin Harvey, 1887-1975, author
W.W. Norton, 1951
Buku Teks
Richard V.Clemence
W.W. Norton and Company,Inc., 1953
Buku Teks
Hamberg, Daniel, author
Macmillan, 1951
Buku Teks
Hald, Earl C., author
Houghton-Mifflin, 1954
Buku Teks