This collection represents South 1st Avenue, now 58th Drive and Glendale Avenue, from around 1910 to 1950. It depicts early development in downtown Glendale, Arizona. The collection also includes photos of the Sine Family, a pioneering family to Glendale, who were instrumental in the development of downtown Glendale. Most of the photos were collected by pioneering Glendale citizens and given to the Glendale Arizona Historical Society. The pictures depicting the Sine Family and their businesses were donated to the Society by Arthur Sine.