"Iowa, County Marriages, 1838-1934," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:KC4R-H2T : 10 February 2018), Frank J. Pflanz in entry for Lawrence H. Pflanz and Agnes E. Janda, 16 Sep 1919, Des Moines, Polk, Iowa, United States; citing reference refer to image 406, county courthouses, Iowa; FHL microfilm 1,749,718.