Three-quarter seated figure, left hand on knee, left arm leaning against upholstered chair arm. Sitter wears dark blue suit, maroon tie, and white shirt. Brown background with table; papers suggested at his right arm.

Near half-length seated figure, body and face approximately forward. Wearing dark blue coat, waistcoat and tie, white wing-collared shirt. Rosette in buttonhole of lapel. Background of books, files, containers, painting, clock, candlestick. Signed "Conrad/ F. Haeseler" in lower left corner.

Bust-length portrait of figure turned three-quarters to the left, in front of a hazy grey-blue background, resembling a cloudy sky. The subject has dark, graying hair and sideburns, hazel eyes, and a clear, rosy complexion. He wears a dark gray coat, a white waistcoat and shirt, and a white stock, tied in a high knot. Signed and dated in the lower left corner, "Agassiz / by D. Huntington / 1857."

Three-quarter-length seated figure turned left, head resting on left hand, right hand holding manuscripts. The sitter wears a black coat and waistcoat and a white shirt. There is a red table cloth at lower right, under manuscript. Gray-brown background. Signed: "D. Huntington/1861" on lower right corner.

Depicts head, shoulders, and chest of figure, facing right, wearing dark suit, white shirt, and tie, with white hair and a beard. Inscribed "D. Huntington" on front lower left corner.

Half-length figure seated on a red upholstered chair, with body turned left and head facing forward. He wears a coat, waistcoat, and neckcloth. Brown background.

Half-length seated figure, body turned slightly right. Landscape in background. Subject's left arm sits on green table, right hand holds plan of one of the Ohio Indian mounds.

Oval image of half-length figure. Figure faces forward, hands folded on book. Sky and clouds in background.

Three-quarter length portrait of a seated figure in a red, upholstered armchair, the body turned slightly to the right. Both hands are in the subject's lap; he holds an open book with his left hand and a pair of spectacles in his right. The subject has gray hair, gray eyes, and a pale complexion. He wears a black suit, a white collar and stock, and a vermilion scarf. On the desk to the left are three books and pages of a manuscript. A thermometer hangs on the wall in left background. Signed and dated "J.R. Lambdin / 1856" in left center of canvas, on the desk below the manuscript pages.

Extended bust-length portrait with body turned slightly to the right, in front of a brown background. The subject has black hair, a black beard and moustache, brown eyes, and a rosy complexion. He wears a dark blue Navy uniform with six brass buttons, epaulettes, and a black cravat. Unsigned and undated.

Half-length seated figure, body turned slightly left, head facing forward. Wearing black suit, white shirt, black bow tie, brown coat with brown fur. Medium tan background.

The sitter faces the viewer’s left in three-quarter profile. He has a broad brow and receding hairline with short, thin dark hair, and his left ear is visible. The sitter is dressed in a dark overcoat and white cravat with a bow; a small medallion decorates the left lapel of his coat. He is seated in a red chair, positioned against a modulated backdrop.

View of a river in an urban, industrial setting. In the foreground, two men fish from a pier. A horse pulling an unseen cart stands on another pier behind the first one. To the left, on the river, are a sailboat and rowboat with four passengers. Several factory buildings are depicted along the riverbank in the left background. Two buildings have smokestacks billowing smoke. A hill rises behind the buildings and a mansion is visible in the center background, also on a tree-covered hill. A bridge spans the river below it. Signed with the initial "A" in the lower right corner, and dated "1846" in the lower left corner.

View of the Permanent Bridge at Market Street in an urban setting. The bridge runs diagonally from the center background to the right foreground of the watercolor. In the immediate foreground are a cow and three goats. A cart pulled by four horses emerges from the bridge entrance to the right. A tugboat pulling three barges and a rowboat are visible on the Schuylkill River to the left. On the far bank, in the background, are three industrial buildings including the City Gas Works. Two of the buildings have chimneys with billowing smoke. Signed "A. Kollner, fec" in the bottom right corner. Handwritten on iron gall ink on the back bottom right corner is, "High or Market Street Bridge also City Gas Works, Phila. In 1848 A. Kollner, Paint."

Half-length portrait of seated figure, facing forward with hands folded in lap. Figure in academic robes. White background. Inscribed "Albert Murray" on front upper right corner.

Subject stands, head slightly to the right, wearing camel hair jacket, shirt, and blue and red striped tie.

Half-length figure turned slightly right, wearing black coat, waistcoat, bowtie, and white collared shirt. Brown background. Signed: "K. C. B. N." in lower left corner.

Bust-length portrait with head turned to the right, in front of a tan-gray background. The subject has brown hair, blue eyes, and a pale complexion. He wears a brown militia-man's uniform, a white neckcloth, and a black, tricorn hat decorated with a Captain's gold braid and button. Unsigned and undated.

The sitter faces the viewer’s right in three-quarter view. He has a receding hairline with short, thin, graying hair and a prominent brow, and his right ear is visible. He is dressed in a dark overcoat and white cravat, positioned against a dark, somewhat modulated background.

Bust-length portrait with body turned to the right, in front of a gray-tan background. The subject has black hair and hazel eyes. He is wearing a black coat and stock and a white waistcoat and collar. Unsigned and undated.