Qajar Dynasty
History of the Persian Kadjar/Qajar dynasty that ruled from 1794 until the advent of the Pahlavi dynasty in 1925.

Britannica.com - Reza Shah Pahlavi
Covers the Shah's early career, coup of 1921, policies and more.

Pahlavi Dynasty
Includes short history and family tree of the dynasty starting with Reza Pahlavi's reign as Shahanshah in 1925.