Wisconsin Historical Aerial Image Finder - Local aerial photos of Verona (and the rest of Wisconsin) going back to the 1930s.
HistoricAerials.com - Aerial photos of the United States. Photos of Verona go back to the 1960s. Verona elevation maps go back farther. This link often fails in the Chrome browser.
"This is Dane County, Wisconsin" - by John Drury, 1957 - Small aerial photos of Verona's schoolhouses, points of interest, and farms.
Verona Cemetery Findagrave.com - The best resource for all burials back to the cemetery's start in 1880. Updated by volunteers.
Saint Andrew's Catholic Cemetery Findagrave.com. Many people don't realize the big cemetery in the middle of town is actually the Verona Cemetery and Saint Andrew's side by side.
Dane County Hospital and Home Cemetery on Findagrave.com - The nearly-forgotten cemetery immediately to the east of Farm and Fleet.
Assessor Data - Find out when a currently-existing home or business was built. It's a little hard to get it to find an address, but stick with it and it will eventually lead you to downloading a PDF file for an address. This PDF has the date the property was built.
Dane County Land Information Office "DCI Maps" - Maps out specific parcels in Dane County with various overlays.
White pages section of YellowPages.com - One of the last actually-free places to look up someone's phone number. I use this constantly for finding interview contacts for historical topics in Verona.
HistoricMapWorks.com - Allows you to view and purchase many old plat maps of this area.
ArcGIS Lidar Maps of Wisconsin - Surface detail maps created using "Lidar", which is a laser that penetrates vegetation. Useful for looking for evidence of roads and foundations now covered by plants.
Historical Marker Database - Historical Markers in Dane County. Also has the ability to "Click to map all...markers".
Dane County and Surrounding Towns, Being a History and Guide, 1877 by WM J. Park.
History of Dane County, Wisconsin, 1880 by the Chicago: Western Historical Company.