Crown Publishing Group was created in 1933.
Nature Publishing Group was created in 1869.
Emerald Group Publishing was created in 1967.
Kappa Publishing Group was created in 1955.
Baker Publishing Group was created in 1939.
Abbeville Publishing Group was created in 1977.
Greenwood Publishing Group was created in 1967.
Thompson Publishing Group was created in 1972.
Lerner Publishing Group was created in 1959.
Berkshire Publishing Group was created in 1995.
Bourne Publishing Group was created in 1989.
Crown Group was created in 1978.
Metro Parent Publishing Group was created in 1986.