Unidentified Photographer

Untitled, 19th century Unidentified Photographer

Untitled, c. 1851-1855 Unidentified Photographer

Untitled, 19th century Unidentified Photographer

Untitled, c. 1915 Unidentified Photographer

Doorway Through an Inner Enclosure, Angkor Wat, Cambodia, c. 1880 Unidentified Photographer

Unidentified woman standing in an interior Anonymous

Unidentified woman seated in an interior Anonymous

The Constructor (Selfportrait) El Lissitzky

Portrait of an unidentified man Frederick Hollyer

Portrait of German publisher Ernst Rowohlt German Photographer

Untitled, c. 1910 Unidentified Photographer

View of an unidentified house Eduard Isaac Asser

Unititled, late 1850s Unidentified Photographer

Untitled, late 19th Century Unidentified Photographer

Young Woman in Bloomers, c. 1855 Unidentified Photographer

Untitled, c. 1870s Unidentified Photographer

Black Horseman in Front of a Doorway, c. 1855 Unidentified Photographer

Study of Orchids, c. 1870s Unidentified Photographer

Untitled, late 19th Century Unidentified Photographer

Carte de Visite of an Unidentified Actress, c.1870-90 American Photographer

Copy daguerreotype of a daguerreotype portrait of an unidentified man Anonymous

Boy with Cigar, c.1855 Unidentified Photographer

Two unidentified fisherman women and a man named Laidlaw in Newhaven, Scotland Hill & Adamson

Unidentified woman standing near a pram on a balcony of the house Friedrichstrasse Berlin, Germany Waldemar Titzenthaler

Unidentified Department Store On Corner Anonymous

Journal 32 cartes-de-visite of inventory from an unknown portrait photographer Anonymous

Marba and Eckart Titzenthaler, children of the photographer and an unknown girl and an unidentified woman dancing in a forest Waldemar Titzenthaler

Post-Mortem on Pillow, Vertical, c. 1850 Unidentified Photographer

Street in Dijon, before 1870 Unidentified Photographer

Unidentified young woman in swimsuit on a rowing boat standing on the edge of a lake Waldemar Titzenthaler

Unidentified Man School American

Supposed Unidentifiable Flying Object over House Anonymous

Portrait of an unknown man Anonymous

Unidentified Flying Object Anonymous

Portrait of Man Leaning Away from Camera, late 1840s Unidentified Photographer

Unmarked Black Market Products Anonymous