Anna Atkins, 1852 (ca), Title page from "British and Foreign Flowering Plants and Ferns", Cyanotype, Victoria and Albert Museum, LL/6770

Anna Atkins, 1845, Peacock, Cyanotype, Harry Ransom Humanities Research Center at the University of Texas at Austin, LL/6101

Anna Atkins, 1850 (ca), Carix (America), Cyanotype, George Eastman Museum, LL/35653

Anna Atkins, 1853, Equisetum sylvaticum [collaboration between Anna Atkins and Anne Dixon], [In her book "Cyanotypes of British and Foreign Ferns" (ca. 1860)], Cyanotype, J. Paul Getty Museum, LL/6301

Anna Atkins, 1854, Polypodium crenatum, Norway, Cyanotype, National Gallery of Canada / Musée des beaux-arts du Canada, LL/6712

Anna Atkins, 1854 (ca), Adiantum Capillus Venerum, Museum Ludwig, LL/7716

John Dillwyn Llewelyn (Circle of), 1848-1852 (ca), Ferns, Albumen silver print, National Gallery of Canada / Musée des beaux-arts du Canada, LL/38971

Anna K. Weaver, 1874, God Bless Our Home, Albumen print, Private collection of Shawn & Tammy Parsley, LL/8021

Anna K. Weaver, 1874, No Cross, No Crown, Albumen print, photogram, American Art Museum, Smithsonian Institution, LL/7651

Bertha Jaques, 1905 (ca), Rye, Blue Grass, Cyanotype, Lee Gallery, LL/3316

Bertha Jaques, 1910, Lavender, Lavendula labiatae, Cyanotype, photogram, American Art Museum, Smithsonian Institution, LL/7580

Bertha Jaques, 1910 (ca), Dandelion Seeds, Taraxacium officinale, Cyanotype, photogram, American Art Museum, Smithsonian Institution, LL/7579

Bertha Jaques, 1910 (ca), Milkweed Pods, Asclepias cornuti, Cyanotype, photogram, American Art Museum, Smithsonian Institution, LL/7581

Man Ray, 1922 (ca), Untitled (rayograph with a screen), Silver print after the original rayograph, Swann Galleries - New York, LL/33434

Man Ray, 1923 (taken) 1978 (print), Rayogram, Gelatin silver print, on Agfa paper, Bassenge Photography Auctions, LL/33551

Man Ray, 1926, Untitled, Gelatin silver print, Christie's - London, LL/24272

Willy Zielke, 1930 (ca), untitled [Photogram], Gelatin silver print, photogram, Sotheby's - Paris, LL/44418

Christian Schad, 1930-1950 (ca) 2002 (print), Schadographien, Gelatin silver print, Bassenge Photography Auctions, LL/32537

Christian Schad, 1977, Schadographie Nr. 152, Gelatin silver print, photomontage, Galerie Zur Stockeregg, LL/4516

László Moholy-Nagy, 1920s (early), Photogram, Gelatin silver print, Sotheby's - New York, LL/36416

László Moholy-Nagy, 1923 (ca), Fotogramm, Gelatin silver print, on printing-out paper, toned, unique, Galerie Zur Stockeregg, LL/4499

László Moholy-Nagy, 1923, Photogram, Silver print, on warm-toned matte surface pape, Charles Isaacs Photographs, Inc, LL/11522

László Moholy-Nagy, 1928 (ca), Photogram Number 1 - the Mirror, Gelatin silver print, J. Paul Getty Museum, LL/5971

László Moholy-Nagy, 1943, Untitled [Photogram], Gelatin silver print, photogram, Private collection of Marco C. Antonetto, LL/31104

Lotte Jacobi, 1946, Photogenic/Photogram, Gelatin silver print, photogram, Bassenge Photography Auctions, LL/32518

Herbert Bayer, 1935, Contact # 31, Photogram, Galerie Johannes Faber, LL/1821

György Kepes, 1939 (ca), Bird Shape with Paper Coil and Heart, Barry Singer Gallery, LL/2893

György Kepes, 1953, Abstraction study, Gelatin silver print, ferrotyped, Bassenge Photography Auctions, LL/33545

Harry Nankin, 2003, 25 October, Contact/Quadrat 8 (the night of October 25), [Contact, 2003-4], Plein Air, Tonal negative. A unique toned and hand-inscribed, silver gelatine plein air film shadowgram, polyester diffusion sheet encased in a mylar envelope., Provided by the artist - Harry Nankin, LL/16780

Harry Nankin, 2005, Quadrat 5, [The Rain], Gold toned silver gelatine plein air shadowgram on fibre paper, Provided by the artist - Harry Nankin, LL/19730

Hajicek & Panaro-Smith, 2006, 06-6, [Botanicals], Photogram, Watermark Fine Art Photographs & Books (CLOSED), LL/26192

Hajicek & Panaro-Smith, 2006, 06-6, [Earth Vegetation], Watermark Fine Art Photographs & Books (CLOSED), LL/22860

Adam Fuss, 1992, Love, Silver dye bleach print, Metropolitan Museum of Art, LL/6390

Adam Fuss, 1992, Invocation, Cibachrome, unique, Fabien Fryns Fine Arts (CLOSED), LL/5184