Hi, I am in the process on indexing the following book: The Book of Detroiters; A Biographical Dictionary of Leading Living Men of the City of Detroit. Edited by Albert Nelson Marquis; Chicago, A.N. Marquis & Company, 1908. This index can be found in the MI GenWeb Archives under Wayne County and then under Bio's. On page 208: HARBECK, Jervis Ralph, manufacturer; born, Battle Creek, Mich., Mar. 26, 1878, son of Eugene and Emma G. (Wattles) Harbeck; educated in public schools and at University of Chicago; married at Chicago, June 29, 1903, Marjorie Ewing. Began active career in mining business in Colorado; has been mechanical superintendent and treasurer of the Kemiweld Can Co., Detroit, since 1903, and still continues; also director Cresson Consolidated Mining and Milling Co. Member Chicago Architectural Club. Republican. Clubs: Detroit, University, Detroit Boat. Recreation: Boating. Office: Clay and St. Aubin Av. Residence: 1835 Woodward Av. I hope this short bio will be helpful to someone in the genealogical research. Marta