Subjects: Mortars (Ordnance), Virginia, Petersburg, Soldiers, Union, United States, History, Civil War, Equipment & Supplies, Military Personnel, Petersburg (Va.), Siege, Albumen Prints
Collection: United States Library of Congress: Stereoviews

Publisher: Cooley, Samuel A.
Subjects: Mortars (Ordnance), South Carolina, Charleston, United States, History, Civil War, Union, Albumen Prints
Collection: United States Library of Congress: Stereoviews

Publisher: Stacy, George
Subjects: Ordnance Industry, New York, United States, History, Civil War, Equipment & Supplies, Union, Albumen Prints
Collection: United States Library of Congress: Stereoviews

Publisher: O'sullivan, Timothy H.
Subjects: Mortars (Ordnance), Virginia, Soldiers, Union, United States, History, Civil War, Military Personnel, Equipment & Supplies, Petersburg (Va.), Siege, Albumen Prints
Collection: United States Library of Congress: Stereoviews

Publisher: Keystone View Co.
Subjects: World War, Serbia, Military Tactics, Trench Mortars, Mortars (Ordnance), Trench Warfare, Gelatin Silver Prints
Collection: United States Library of Congress: Stereoviews

Publisher: Keystone View Co.
Subjects: World War, Mortars (Ordnance), Artillery (Weaponry), Gelatin Silver Prints
Collection: United States Library of Congress: Stereoviews

Publisher: Taylor & Huntington
Subjects: United States, History, Soldiers, Mortars (Ordnance), Morris Island (S.C.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]

Subjects: Washington (D.C.), Ordnance, Naval yards & naval stations, Anacostia River (Md. and Washington, D.C.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]

Photographer: Kilburn Brothers
Subjects: Washington (D.C.), Ordnance, Naval yards & naval stations, Anacostia River (Md. and Washington, D.C.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]

Photographer: Kilburn Brothers
Subjects: Washington (D.C.), Dogs, Ordnance, Naval yards & naval stations, Anacostia River (Md. and Washington, D.C.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]

Photographer: Kilburn Brothers
Subjects: Washington (D.C.), Ordnance, Naval yards & naval stations, Anacostia River (Md. and Washington, D.C.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]

Photographer: Kilburn Brothers
Subjects: Washington (D.C.), Ordnance, Naval yards & naval stations
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]

Photographer: Kilburn Brothers
Subjects: Washington (D.C.), Ordnance, Naval yards & naval stations, Anacostia River (Md. and Washington, D.C.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]

Photographer: Kilburn Brothers
Subjects: Washington (D.C.), Ordnance, Naval yards & naval stations, Anacostia River (Md. and Washington, D.C.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]

Photographer: Kilburn Brothers
Subjects: Washington (D.C.), Ordnance, Naval yards & naval stations, Anacostia River (Md. and Washington, D.C.)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]

Publisher: Keystone View Co.
Photographer: Singley, B.L. (Benjamin Lloyd)
Subjects: Washington (D.C.), Naval yards & naval stations, Ordnance industry
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]

Publisher: Keystone View Co.
Photographer: Singley, B.L. (Benjamin Lloyd)
Subjects: Washington (D.C.), Naval yards & naval stations, Ordnance industry
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]

Publisher: Keystone View Co.
Photographer: Singley, B.L. (Benjamin Lloyd)
Subjects: Washington (D.C.), Naval yards & naval stations, Ordnance industry
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]

Publisher: Keystone View Co.
Photographer: Singley, B.L. (Benjamin Lloyd)
Subjects: Washington (D.C.), Naval yards & naval stations, Ordnance industry
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]

Publisher: Keystone View Co.
Photographer: Singley, B.L. (Benjamin Lloyd)
Subjects: Washington (D.C.), Naval yards & naval stations, Ordnance industry
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]

Publisher: Keystone View Co.
Photographer: Singley, B.L. (Benjamin Lloyd)
Subjects: Washington (D.C.), Naval yards & naval stations, Ordnance industry
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]

Publisher: Keystone View Co.
Photographer: Singley, B.L. (Benjamin Lloyd)
Subjects: Washington (D.C.), Naval yards & naval stations, Ordnance industry
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]

Publisher: Jarvis, John Fillis
Subjects: Washington (D.C.), Cannons, Mortars (Ordnance)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]

Subjects: Massachusetts, Boston (Mass.), Mortars (Ordnance)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]

Subjects: Massachusetts, Boston (Mass.), Mortars (Ordnance)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]