[S2188] 1930 U.S. census, Boulder County, Colorado, population schedule, Precinct 9, Lafayette, enumeration district (ED) 8, sheet 9B, p. 151 (stamped, verso), dwelling 183, family 186, Richard Estes household; Ancestry.com (http://www.ancestry.com : accessed 1 March 2012); citing NARA microfilm publication T626, roll 230. .