Howard County Interactive Mapper - this site has information on historic sites, cemeteries, property ownership, political boundaries, historic aerial photos and much more.
Johns Hopkins Library Aerial Photographs - collection of aerial photo index mosaics provides a visual summary of the 1937 – 1938 and 1951 - 1952 aerial photography.
1878 Hopkins Atlas - valuable maps of Howard County from after the civil war. Courtesy of Johns Hopkins Sheridan Libraries.
Distribution of Slaves in 1860 - Detailed map by county on the percentage of slaves in the United States. Made available by the US Census Bureau
Maryland iMap Topography Viewer - this is a very valuable tool to find physical land features such as changes in elevation to locate possible quarries, stream valleys, and more.
Historic Topographic Map Viewer - United States Geological Survey
Maryland Geological Survey - a collection of historic aerial photographs from the 1930s to 1990s.
MEDUSA - Maryland's Cultural Resource Information System including the Maryland Inventory of Historic Properties. Many local properties are listing in our About section.
Historic Aerial Viewer - A terrific site for comparing a variety of aerial photographs with topographic maps to detect changes in the landscape over the past several decades. (Requires you to disable AD blockers or register).
Newspapers.com - https://www.newspapers.com/
Genealogy Bank - https://www.genealogybank.com/
Ancestry - https://www.ancestry.com/
Family Search - https://familysearch.org/
Index of Early US Census Records for Maryland - locate test-based census records from 1790 to 1850.
1798 Federal Direct Tax - The assessment was based on federal law to impose a tax on land, dwelling houses, and slaves. Provided by the Maryland State Archives.
Tips on Finding Maryland Land Records
MarylandLANDREC.NET - this site contains an extraordinary amount of land records and plats dating to the formation of Howard County, and Ann Arundel County before Howard County became an independent district and county. You must apply for an account which is quickly granted.
Original Land Patents - Frey's Emporium of Amazing Knowledge provides names, ownership, and a description of the original lands patents for what is now Howard County.
Maryland Real Property Data Search - find out the current ownership records of properties.
Maryland State Archives - this site contains a variety of searchable documents by topic or name.
Legacy of Slavery in Maryland - searchable records from the Maryland State Archives
Howard County Board of Education Meeting Minutes - this resource has information from 1847 to the present via pdf files.