http://archiver.rootsweb.ancestry.com/th/read/GER-RUS-ARG/2009-02/1235588943 http://archiver.rootsweb.ancestry.com/th/read/GER-RUS-ARG/2009-02/1235515735 http://www.apellidositalianos.com.ar/volga/censo_volga_concesiones.htm http://records.ancestry.com/Johannes_Schroh_Edenkoben_Germany_records.ashx?pid=177974379&gss=seo http://books.google.com.ar/books?id=XO_gAAAAMAAJ&q=schroh+1758&dq=schroh+1758&hl=es&ei=pEmGTOHnBYP6lwf4mKzqCQ&sa=X http://books.google.com.ar/books?id=ZASS0CoEHjIC&pg=PR323&dq=schroh+1758&hl=es&ei=pEmGTOHnBYP6lwf4mKzqCQ&sa=X&oi=book_result&ct=result&resnum=2&ved=0CCcQ6AEwAQ#v=onepage&q=schroh%201758&f=false colocar schroh 1758, 1688. freepages.genealogy.rootsweb.ancestry.com/.../pafg129.htm freepages.genealogy.rootsweb.ancestry.com/.../pafg400.htm www.ackermaennchen.de/ahnenforschung/abcg524.htm http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=AHN&db=volmer&id=I13830 familytreemaker