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:en:GrahamColm -
NASA - Public Domain
Ziff-Davis Publishing / unidentified staff artist - Public Domain
unknown/uncredited -
Josef Löwy - Public Domain
Uncredited - Public Domain
Man2mars28 - CC BY-SA 4.0
The Dartmouth College ''Aegis'' - Public Domain
From 1850's "Memorial of the Morses" by Abner Morse. - Public Domain
Galería de State Library of New South Wales collection -
original uploader - Public Domain
Foto Team - Public Domain
Stephencdickson - CC BY-SA 4.0
Public Domain
Smithsonian Institution -
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:en:GrahamColm -
Crisp, Quentin
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NASA - Public Domain
Sullivan, Kathryn D. (Kathryn Dwyer), 1951-
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Drescher, Fran
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Ziff-Davis Publishing / unidentified staff artist - Public Domain
Frank, Harriet.
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Nobili, Leopoldo
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unknown/uncredited -
Fondane, Benjamin, 1898-1944
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Josef Löwy - Public Domain
Stricker, S. (Salomon), 1834-1898
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Delessert, Benjamin, baron, 1773-1847
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Ozaki, Yukio, 1858-1954
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Shrewsbury, Elizabeth Hardwick Talbot, Countess of, 1527?-1608
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Uncredited - Public Domain
Dawson Scott, C. A. (Catharine Amy), 1865-1934
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Marini, Marino, 1901-1980
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Man2mars28 - CC BY-SA 4.0
Kennedy, X.J.
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Butterworth, Benjamin, 1837-1898
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The Dartmouth College ''Aegis'' - Public Domain
Hopkins, Ernest Martin, 1877-1964
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From 1850's "Memorial of the Morses" by Abner Morse. - Public Domain
Morse, Freeman H. (Freeman Harlow), 1807-1891
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Thomson, Anthony Todd, 1778-1849
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Galería de State Library of New South Wales collection -
Dorati, Antal
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Winckelmann, Johann Joachim, 1717-1768
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Reason, Patrick Henry, 1816-1898
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Gassendi, Pierre, 1592-1655
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Stevenson, Letitia Green, 1843-1913
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original uploader - Public Domain
Barnard, Edward Emerson, 1857-1923
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Ritchie, John William, 1808-1890
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Foto Team - Public Domain
André, Carole 1953-...
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Baylor, Frances Courtenay, 1848-1920
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Stephencdickson - CC BY-SA 4.0
Addington, Anthony, 1713-1790
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Public Domain
Davis, Benjamin Oliver, Jr., 1912-2002
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Carides, Gia, 1964-
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Smithsonian Institution -
Fenton, Mildred Adams, 1899-1995