Cite

Simpson, Snirly. "FORTY BLOCKS: Snirly Simpson." Chicago History Museum. 2016-03-26, http://collections.carli.illinois.edu/cdm/ref/collection/chm_oh/id/208.

Simpson, Snirly (2016-03-26). FORTY BLOCKS: Snirly Simpson. Retrieved from http://collections.carli.illinois.edu/cdm/ref/collection/chm_oh/id/208

Simpson, Snirly. "FORTY BLOCKS: Snirly Simpson." 2016-03-26. July 21, 2025. http://collections.carli.illinois.edu/cdm/ref/collection/chm_oh/id/208.