Concord Historical Society​

   
Here is the overview of the genealogy collection:
http://www.buffalolib.org/content/grosvenor/genealogy-collection
 
Digital collections, including Buffalo city directories 1832-1893:
http://www.buffalolib.org/content/grosvenor/digital-collections

   
https://familysearch.org/
    
    http://www.findmypast.com/

http://familyhistorydaily.com/genealogy-resources/50-free-genealogy-sites/
    
findagrave.com

ancestory.com

https://familysearch.org/learn/wiki/en/Erie_County,_New_York_Genealogy

http://www.buffalohistory.org/

http://www.wnygs.org/

http://cnygs.org/

http://www.genealogyinc.com/newyork/erie-county/

http://ldsgenealogy.com/NY/Erie-County.htm

https://www.facebook.com/groups/210302895672550/

 http://genealogy.com/

http://www.searchforancestors.com/

​http://www.libertyellisfoundation.org/