Sources for the study of migration and ethnicity :  a guide to manuscripts in Finland, Ireland, Poland, The Netherlands, and the State of Michigan / 
ed. by Francis X. Blouin, Robert M. Warner. 
 - Ann Arbor :  Bentley Historical Library :  The University of Michigan :  Immigration Sources Project,  1979. 
 - VI, [2], 337 s. :  il. ;  26 cm.