District Map of Derby - Showing 104th and 114th district divisions for the Connecticut General Assembly House of Representatives. - http://www.cga.ct.gov/maps/house/derby.asp
City of Derby, Connecticut - Bird's-eye view of town c1920, from the Library of Congress Geography and Map Division. - http://lcweb2.loc.gov/cgi-bin/map_item.pl?data=/gmd378/g3784/g3784d/pm000797.sid&style=gmd&itemLink=D?gmd:12:./temp/~ammem_3PxK::&title=City+of+Derby,+Connecticut.+