Deborah Harrison; Manitou Springs Heritage Center (2012). Manitou Springs. Arcadia Publishing. p. 9. ISBN978-0-7385-9596-2. Archived from the original on 2023-08-02. Retrieved 2016-05-26.
Deborah Harrison; Manitou Springs Heritage Center (2012). Manitou Springs. Arcadia Publishing. p. 9. ISBN978-0-7385-9596-2. Archived from the original on 2023-08-02. Retrieved 2016-05-26.