History of northern Wisconsin: containing an account of its settlement, growth, development, and resources, an extensive sketch of its counties, cities, towns and villages, their improvements, industries, manufactories, biographical sketches, portraits of prominent men and early settlers, views of county seats, etc. Chicago: Western Historical Co., 1881. p.1153

Gustav M. Lindemann, foreman in Schmit Bros.' Trunk Factory; Mr. Lindemann was born in Germany Jan. 26, 1846; emigrated to America in 1850 and settled in Manitowoc, Wis.,; lived there until he was nineteen years of age, where he attended the public schools. He then went to Chicago, Ill., and learned his trade, living there eleven years in the trunk business for H. Volger & Co. He then came to Oshkosh and began as foreman for the Schmit Bros.; he was married in Madison, Wis., July 6, 1870, to Miss Josephine Zaunbrecher, who was born in Germany Nov. 27, 1850. They have three children- Oscar G., Walter E. and Adela L.