The Gale encyclopedia of alternative medicine

The Gale encyclopedia of emerging diseases

The Gale encyclopedia of neurological disorders

The Gale encyclopedia of nursing and allied health

The Gale encyclopedia of psychology

The US home front during World War II

Gale, Ryan

American first ladies

O’Neal, Michael J.

American inventors, entrepreneurs, and business visionaries

Carey, Charles W.

American men & women of science : a biographical directory of today’s leaders in physical, biological and related sciences

American presidents