Though not required of public domain images, if you want to credit the library as the source, please use the following statement: "From the San Francisco History Center, San Francisco Public Library" and provide a link back to the item on our Digital Collections site.
Folder: S.F. Earthquakes-1906-Streets-Sacramento Street. Printed on back: "Lietz's four-story factory in San Francisco was destroyed in the April 18, 1906 earthquake".