"Denver Parks Timeline". Western History and Genealogy. Denver Public Library. Archived from the original on August 22, 2013. Retrieved February 17, 2014.
"History". Denver Botanic Gardens. Archived from the original on February 22, 2014. Retrieved February 17, 2014.
"Denver Parks Timeline". Western History and Genealogy. Denver Public Library. Archived from the original on August 22, 2013. Retrieved February 17, 2014.