Genealogy of descendants of Hoffmann progenitors from Gruntowoic, Jeziorki, Bromberg Reg. and related families from Province Posen, Prussia, GermanyErwin F. Hoffman · First published 1974Open the Tome
Schluentz families from Schleswig-Holstein and Mecklenberg-Schwerin, GermanyErwin F. Hoffman · First published 1973Open the Tome
A daily report card system for the reporting of public health services with punch cards using the Michigan state health department reporting codeErwin F. Hoffman, University of Michigan. School of Public Health · First published 1939Open the Tome
