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Michael Smith O'Brien
Exterior view of the 2032-2034 Baker Street Duplex House, (center), San Francisco, CA, 2015. From Google Maps/Street View
Postcard view of the Cadillac Hotel, San Francisco, c. 1915; from the author's collection
Postcard view of the Humboldt Bank Building, San Francisco, c. 1910; from the author's collection, postcard by the Pacific Novelty Company, Publishers, San Francisco, CA
Presentation drawing of the Humboldt Savings Bank Building #2, San Francisco, CA, 1906. From "Humboldt Savings Bank Building," Architectural Record, vol XIX, no. 6, 06/1906, p. 402, accessed 04/14/2026
View down Ellis Street near Powell with the Humboldt Savings Bank Building #2 in the distance (middle), San Francisco, CA, c. 1909. From the San Francisco Public Library, Historical Photograph Collection, Photo ID #AAB-3510, accessed 04/14/2026.