William Brooks Close (English Wikipedia)

"Immigrant Farmers in the English Colony". IA GenWeb Project. 2003. Retrieved 24 May 2021.
"The British in Iowa Chapter XX". IAGenWeb. 2003. Archived from the original on 3 July 2010. Retrieved 1 January 2021.
Lucas, Nettie Mae (2017). "The Iowa Land Company Organized". IA GenWeb Project. Retrieved 24 May 2021.
"The British in Iowa Chapter V". IAGenWeb. 2003. Archived from the original on 3 July 2010. Retrieved 11 December 2020.

kwit.org

C. Schaap, James (8 May 2018). "Siouxland Ozymandias". Siouxland Public Media. Archived from the original on 10 August 2020. Retrieved 11 December 2020.

"William Brooks Close". Guild of One-Name Studies. Retrieved 11 December 2020.
"James Close". Guild of One Name Studies. Retrieved 20 May 2021.
"Anne Brooks". Guild of One Name Studies. Retrieved 20 May 2021.

"Henley Royal Regatta Results of Final Races - 1839-1939". rowinghistory.net. Archived from the original on 2 November 2012. Retrieved 3 February 2021.

Julie Johnson (2003). A Wild Discouraging Mess: The History of the White Pass Unit of the Klondike Gold Rush National Historical Park. National Park Service, Alaska System Support Office. pp. 109–110. Archived from the original on 4 February 2021. Retrieved 3 January 2021.
"Henley Royal Regatta Results of Final Races - 1839-1939". rowinghistory.net. Archived from the original on 2 November 2012. Retrieved 3 February 2021.
"The British in Iowa Chapter XX". IAGenWeb. 2003. Archived from the original on 3 July 2010. Retrieved 1 January 2021.
William B. Close (1880). Farming in North-western Iowa, United States of America: A Pamphlet for Emigrants and a Guide to North-western Iowa. A. Ireland & Company. Archived from the original on 4 February 2021. Retrieved 11 December 2020.
C. Schaap, James (8 May 2018). "Siouxland Ozymandias". Siouxland Public Media. Archived from the original on 10 August 2020. Retrieved 11 December 2020.
"The British in Iowa Chapter V". IAGenWeb. 2003. Archived from the original on 3 July 2010. Retrieved 11 December 2020.