Dave Heath, 1958, Hell's Kitchen, NYC 1958 (Young Boy with Finger in Mouth), Gelatin silver print, 9 3/4 x 6 1/2, Barry Singer Gallery, LL/2830

Martin Elkort, 1950-1951, (Girl on Carousel Horse), [Coney Island], Gelatin silver print, 9/12 x 7 7/16, Barry Singer Gallery, LL/2800

W. Eugene Smith, 1953, Juanita at Soda Fountain, Gelatin silver print, 13 1/2 x 8 7/8, Barry Singer Gallery, LL/2984

Herb Snitzer, 1958, Girl in Swing, [Central Park Series], Gelatin silver print, 11 x 7 1/4, Barry Singer Gallery, LL/2989

Herb Snitzer, 1962, (Bottom of Swing), [Summerhill School, England], Gelatin silver print, 11 15/16 x 9, Barry Singer Gallery, LL/2992

Herb Snitzer, 1960, (Policeman and Boy and Girl), [New York], Gelatin silver print, 13 x 9 15/16, Barry Singer Gallery, LL/2997

Marc Riboud, 1958, Girl Running on Beach with Figure on Sand, Japan, Barry Singer Gallery, LL/2938

Herb Snitzer, 1962, (Child Blowing Bubble), [Summerhill School, England], Gelatin silver print, 9 3/16 x 7 3/4, Barry Singer Gallery, LL/2993

Rae Russel, 1954, (Boy at Bus Window), Gelatin silver print, 13 1/2 x 9 1/8, Barry Singer Gallery, LL/2962

Rae Russel, 1953, Eviction Family, NYC (Girl with Finger in Her Mouth), Gelatin silver print, 11 5/16 x 10 3/8, Barry Singer Gallery, LL/2958

Rae Russel, 1948 (ca), Street Boys, Henry Street, NYC, Gelatin silver print, 8 15/16 x 7 9/16, Barry Singer Gallery, LL/2961

Rae Russel, 1948, Chicago, Black Child in Stairwell, Gelatin silver print, 13 7/16 x 10 5/16, Barry Singer Gallery, LL/2966

Roger Mayne, 1958, Footballers, Southam Street, North Kensington, London, Gelatin silver print, 16 7/16 x 13, Barry Singer Gallery, LL/2911

Marc Riboud, 1960, Ghana, Beach Kick Boxing, Barry Singer Gallery, LL/2939

Marc Riboud, 1957, Three Girls, Beijing, China, Barry Singer Gallery, LL/2936

Paul Strand, 1930 (ca), Mexico (Boy with Hat on Knee), Photogravure, Barry Singer Gallery, LL/3019

Lou Stoumen, 1982, Girl Looks Up at the Statue of Liberty (Across the River from World Trade Center Towers), Barry Singer Gallery, LL/3013

Elfriede Reichelt (Breslau), 1920s, Three little sisters, Photographic print, Private collection of Jan Weijers (Servatius), LL/47525

Theo Frey, 1945 (taken, modern print), Prisoners from KZ Buchenwald come to Switzerland, Camp for internees, Rheinfelden, Gelatin silver print, 285 x 271 mm, Swiss Foundation for Photography / Fotostiftung Schweiz / Schweizerische Stiftung für die Photographie, © Swiss Foundation for Photography (2007.55.086), LL/28753

Seydou Keita, 1948-1962 (taken) 1998 (print), A young "cyclist" proudly wearing a beret, Gelatin silver print, 22 1/4 x 15 3/4 in (56.5 x 40 cm), Phillips de Pury - New York, Courtesy of Phillips De Pury - NY (31 Jan 2008, Lot 74), LL/27363

Unidentified photographer, n.d., Adele Lily Merriman, Gelatin silver print, Private collection of Andrea Cesari, LL/29575

Brassaï, 1935 (taken) 1940s (print), Jardin d'Enfant, Gelatin silver print, 9 1/2 x 7 ins (24.1 x 17.8 cm), Swann Galleries - New York, Sale 2257 Lot 191, LL/44348

Sam McKay, 1966, 27 October, Children playing in alleyway on Lavale Street [Norfolk, VA], Black and white image, scanned from negative, NHRA - Norfolk Redevelopment and Housing Authority, NRHA# 4321, LL/44449

Mike Disfarmer, 1939-1946 (taken), Young boy, in Leopard Print Cowboy Costume and Hat, Standing, Gelatin silver print, 7 x 12 in (image) 14 x 18 in (sheet), Howard Greenberg Gallery, Inventory no: 0046012, LL/37941

Russell Lee, 1938 (ca), A Sick Farmer's Boy, Private collection of Henri van der Tol, LL/47740

Thurston Hopkins, 1954, Islington, London, Gelatin silver print, 35.1 x 24cm (13 3/4 x 9 1/2in), Bloomsbury Auctions - London, Photographs, 22 May 2012, Lot: 94, LL/48252

Dorothea Lange, 1942, Pledge of Allegiance [San Francisco, California], Gelatin silver print, 13 3/8 x 10 1/16, J. Paul Getty Museum, © J. Paul Getty Trust [2000.50.16], LL/6031

Helen Levitt, 1940, Broken Mirror, NYC, Gelatin silver print, 11 x 14, Peter Fetterman Gallery, LL/541

W. Eugene Smith, 1946, The Walk to Paradise Garden, New York (He used his children Patrick and Juanita Croton for this photograph), Gelatin silver print, 12 x 10 1/2, Afterimage Gallery, LL/1468

Roger Mayne, 1958 (ca), Two Children, Gelatin silver print, 11 5/8 x 8 13/16 in, Gitterman Gallery, LL/23218

Dan Weiner, 1948 (taken), New York, Gelatin silver print, 9 5/16 x 6 3/8 ins, Howard Greenberg Gallery, Inventory no: 0021678, LL/38045

Ernest Withers, 1948, Twins at WDIA, Gelatin silver print / Inkjet print, 5 x 7 in / 8 x 10 in, Decaneas Archive, Courtesy of the Decaneas Archive, LL/27567

Chim, 1948 (taken) 2007 (publication), An orphaned girl, Tereska, traumatized by her experiences in German concentration camps, makes a troubled attempt to draw a picture of her home, Poland; 1948, [Magnum Founders], Platinum print, bound into a book, 14 x 16 in, Verso Limited Editions, LL/28606

Werner Bischof, 1947 (taken) 1960 (ca, print), Hongrie, Gelatin silver print, 20.5 x 17.6 cm, Millon et Associes, Millon & Associés, Auction, (13 May 2012, Lot: 142), LL/47762

Irving Penn, 1948 (taken) 1971 (print), Cuzco Children, Platinum-palladium print, 19 1/8 x 19 3/4 in, Christie's - New York, Illustration courtesy: Christie's Images Ltd., 2008, LL/29058

Arthur Leipzig, 1950, Sleeping Child, Gelatin silver print, 10 3/8 x 9 7/8 in (image) 11 1/2 x 11 in (sheet), Howard Greenberg Gallery, Inventory no: 0072717, LL/37986

Ira Latour, 1950 (taken), Boys with Hoops, Vouvray, France, Gelatin silver print, 8 x 10 in, Carl Mautz Vintage Photographs, LL/28683

Grace Robertson, 1954, Battersea, London, Gelatin silver print, 38 x 27.8cm (15 x 10 7/8in), Bloomsbury Auctions - London, Photographs, 22 May 2012, Lot: 106, LL/48256

Louis Stettner, 1947 (taken), 1949 (portfolio), Aubervilliers, [10 Photographs by Louis Stettner, pl. 9], Gelatin silver print, Private collection, LL/15436

Ira Latour, 1953, Santa Cruz, Seville, Gelatin silver print, 9 x 8 in, Carl Mautz Vintage Photographs, LL/25713

Arthur Leipzig, 1950 (ca), Boy and Air-O-Noodle, Private collection of Henri van der Tol, LL/47744

Harold Cazneaux, 1912, Argyle Cut, Gelatin silver print, 23.6 x 27.7, National Gallery of Australia (NGA), National Gallery of Australia, Canberra (81.248), LL/7137

Theo Frey, 1945 (taken, later print), French children for recuperation in Switzerland, Gelatin silver print, 177 x 169 mm, Swiss Foundation for Photography / Fotostiftung Schweiz / Schweizerische Stiftung für die Photographie, © Swiss Foundation for Photography (2006.50.077), LL/28750

Herb Snitzer, 1962, (Boy Sprinting by Fireworks), [Summerhill School, England], Gelatin silver print, 9 1/16 x 12 5/16, Barry Singer Gallery, LL/2991

Seydou Keita, 1952-1955 (taken) 1999 (print), Twins in European dress, Gelatin silver print, 15 1/4 x 21 1/4 in (38.7 x 54 cm), Phillips de Pury - New York, Courtesy of Phillips De Pury - NY (31 Jan 2008, Lot 72), LL/27361

W. Eugene Smith, 1958-1959, Untitled (Profile of Girl in Bed), [Haiti], 8 11/16 x 12 1/2, Barry Singer Gallery, LL/2986

Robert Doisneau, 1964, Le pigeon indiscret [The indiscrete pigeon], Gelatin silver print, 23.8 x 30.3 cm, Pierre Bergé & Associés, Courtesy of Pierre Bergé & Associés (Auction, June 16, 2010, Lot: 714), LL/37272

George Rodger, 1948, Two Bachimibiri Girls, Kigezi Rainforest, Uganda, Gelatin silver print, Barry Singer Gallery, LL/2952

Rae Russel, 1953, Eviction Family, NYC (Mom Talking on Phone), Gelatin silver print, 8 1/6 x 11 1/2, Barry Singer Gallery, LL/2959

Rae Russel, 1949, Three Kids with Dirty Faces, Henry Street, NYC, Gelatin silver print, 10 11/16 x 13 1/8, Barry Singer Gallery, LL/2960

Lou Stoumen, 1940, Inside Head of Statue of Liberty, Children of Public School #34, the Bronx, Gelatin silver print, Barry Singer Gallery, LL/3010

Grace Robertson, 1948, Frustration, Petticoat Lane, London, Barry Singer Gallery, LL/2945

Unidentified photographer / artist, 1880-1923 (ca), Girls skipping at an athletics carnival, Glass plate negative, half plate, Powerhouse Museum, Id: 85/1286-772, LL/32738

Joe Schwartz, 1930s, Slum Child. St. Marks Place, Lower Manhattan, New York, [Folk Photography: Poems I've Never Written], Gelatin silver print, Provided by the artist - Joe Schwartz, © Joe Schwartz, courtesy of the artist, LL/15036

William Klein, 1955, Gun 2, near the Bowery, NY, Gelatin silver print, 9 3/16 x 13 5/8 ins, Howard Greenberg Gallery, © William Klein. Courtesy Howard Greenberg Gallery, NYC., LL/33307

Elliott Erwitt, 1950, Pittsburgh, Pennsylvania, Gelatin silver print, Stephen Bulger Gallery, © Elliott Erwitt / Magnum Photos, LL/41873

Arthur Leipzig, 1950, Chalk Games, New York, Gelatin silver print, 16 x 20, HackelBury Fine Art Ltd, LL/1598

Elliott Erwitt, 1955, Colorado, USA, Gelatin silver print, Stephen Bulger Gallery, © Elliott Erwitt / Magnum Photos, LL/41865

Grace Robertson, 1960s, Chiswick, London, Gelatin silver print, 23.5 x 34.9cm (9 1/4 x 13 3/4in), Bloomsbury Auctions - London, Photographs, 22 May 2012, Lot: 101, LL/48254

Chris Steele-Perkins, 1990, London. St. Thomas's Hospital. Babies at reunion of those mothers who gave birth in 1990, [England, My England], Black and white image, Provided by the artist - Chris Steele-Perkins, © Chris Steele-Perkins / Magnum Photos (LON4675), LL/37891

André Kertész, 1928, Child Models, Gelatin silver print, Peter Fetterman Gallery, LL/527

George Zimbel, 1953, Boy or Man, Gelatin silver print, Stephen Bulger Gallery, © George S. Zimbel, 2007, LL/2234

Ruth Orkin, 1947 (taken) 1955 (print), The Cardplayers, The Family of Man, Silver print, 6 1/2 x 9 in (16.5 x 22.8 cm), Swann Galleries - New York, Courtesy of Swann Galleries (Auction Oct 21, 2008, Lot 219), LL/31272

George Tice, 1983, Street Corner, Tallinn, Estonia, USSR, Gelatin silver print, 8 x 10 / 11 x 14 / 16 x 20, Ariel Meyerowitz Gallery, LL/2649

Bruno Barbey, 1964, Palermo, Sicily (Family on Vespa), Barry Singer Gallery, LL/2739

Tibor Honty, 1940, (Girl in Caravan Doorway), [Circus Caravans], Gelatin silver print, 7 1/4 x 7, Barry Singer Gallery, LL/2869