Bradbury family.

L. L. Bradbury was an investor and real estate developer prominent in Los Angeles in the late 19th century. In the 1880s, he acquired the Rancho Azusa de Duarte, which now includes the city of Duarte. He died in 1892. His son Lewis Bradbury assumed control of the family business in 1902 and incorporated the Bradbury Estate Company in 1904. The company continued to acquire and develop landholdings in Southern California throughout the first three decades of the 20th century, including land and water development in and near the city of Monrovia, California.

From the description of Bradbury Land Papers, 1855-1933. (Huntington Library, Art Collections & Botanical Gardens). WorldCat record id: 407170642