Gilbert, G. K., Holmes, J. A., Humphrey, R. L., Sewell, J. S., & Soulé, F. (1907). The San Francisco earthquake and fire of April 18, 1906: And their effects on structures and structural materials. Govt. Print. Off..

Gilbert, Grove Karl, et al. The San Francisco Earthquake and Fire of April 18, 1906: And Their Effects on Structures and Structural Materials. Govt. Print. Off., 1907.