1856-1861       413 Broadway, New York, New York.

1858 October 7.  Evening Star.  (Washington, District of Columbia.)  October 7, 1858, Vol. XII, No. 1,782, P. 2.

Patents for the week ending October 5, 1858.  Bernhard Hufnagel, of New York, New York,—For improvement in photographic baths.  No. 29,679.

1859 June 5.  The New York Herald.  (New York, New York.)  June 5, 1859, Whole No. 8309, P. 3.

For Sale—One Large Photographic Apparatus, 6½ inches diameter of lens, made by Charles Chevalier, of Paris.  Will be sold cheap.  Can be seen at B. Hufnagel’s photographic gallery, 413 Broadway, third floor.

Advertisement ran on June 5 & 6, 1859.

New York City Directories.  (New York, New York.) Published by John Fowler Trow.

1855.  Architect & Surveyor, 333 Broadway, h-106 Bleecker.

1856.  Photographs, 413 Broadway, h-106 Bleecker.

1857.  Photographs, 413 Broadway.

1858.  Photographs, 413 Broadway.

1859.  Photographs, 413 Broadway.

1860.  Photographs, 413 Broadway.

1861.  Photographs, 413 Broadway, h-Mt. Vernon.

1862.  Butcher, 27 G’wich.

1863.  Not Listed.