All requests for permission to publish from photographs must be submitted in writing to the Photo Curator. Permission for publication is given on behalf of the San Francisco Public Library as the owner of the physical items.
Box 1 -- Folder: Market Street Railway. Streetcars. Line #9. Prints with Negatives (1 of 2). Written on back: "M.S.Ry. 923 - 9 line, topping Cortland Hill climbing single track approaching passing track. Note: Signal on pole, these signals are trolley operated. Signal setup for inbound cars." A b&w photographic print exists for this negative.