{{ :{{ :relay.png?600 |img}} Martenet's Map of Howard County, Maryland : drawn entirely from actual surveys

{{ :{{ :the_relay_house.png?600 |img}} Pictorial History of the Civil War in the United States of America By Benson J. Lossing

{{ :{{ :relay2.png?600 |img}} Military map, Baltimore Co., Md. Kaiser, George.

{{ :{{ :relay_house:8th_mass_cookhouse.jpg?&600 |img}} 8th Massachusetts Cookhouse, Elkridge Heights, June 1861. Maryland State Archives.

{{ :{{ :relay3.png?800 |img}} Stereograph shows Cook's Boston Light Artillery overlooking the Thomas Viaduct at Camp Essex, near Relay House in Elkridge, Maryland. Library of Congress Control Number 2011648034.

{{ :{{ :harpers_weekly_5_25_1861.jpg?600 |img}} Harper's Weekly, 5/25/1861

{{ :{{ :civilwar13.jpg?600 |img}} "The famous Relay House, on the Baltimore & Ohio R. R." (Courtesy of National Museum of American History)

{{ :{{ :bufford.jpg?600 |img}} Commissary department. Encampment of the Mass. 6th Regiment of Volunteers at the Relay House near Baltimore, Md., 1861 Digital ID: (digital file from b&w film copy neg.) cph 3a04036 http://hdl.loc.gov/loc.pnp/cph.3a04036

{{ :{{ :frank_leslies_illustrated_newspaper_may_18_1861.png?1000 |img}} frank_leslies_illustrated_newspaper_may_18_1861

{{ :{{ :frank_leslies_illustrated_newspaper_may_25_1861.jpg?1000 |img}} frank_leslies_illustrated_newspaper_may_25_1861

{{ :{{ :8th_mass_inf:05576u.jpg?600 |img}} 8th Massachusetts at the Relay House, LOC LC-USZ62-26053 (b&w film copy neg.) LC-DIG-pga-05576 (digital file from original item)

{{ :{{ :bla:1s04371u.png?600 |img}} Camp life, Army of the Potomac Taking it easy. LC-DIG-stereo-1s04371

{{ :{{ :4th_wisc_inf:camp_of_the_4th_wisconsin.jpg |img}} ""Camp of Colonel Paine's 4th Wisconsin Regiment at the Relay House near Baltimore"". Colored lithograph. Wisconsin Historical Society

{{: {{ :8th_mass_inf:new_york_illustrated_news_6_22_1861.png |img}} new_york_illustrated_news_6_22_1861

{{: {{ :harpers_weekly_5_25_1861a.jpg |img}} harpers_weekly_5_25_1861