Image from Wikimedia Commons
Philkon -
unknown - Public Domain
White, New York. - Public Domain
Sparks (Petufo - CC BY-SA 3.0
Camille Silvy - Public Domain
Mockridge, Charles H. (Charles Henry), 1844-1913 - Public Domain
Hendrick Goltzius - Public Domain
Maksymilian Fajans (1827-1890) - Public Domain
B C Law - Public Domain
Office of Congresswoman Nancy Mace -
Public Domain
Rob Mieremet (ANEFO) - CC BY-SA 3.0
Original uploader was Zereshk -
Image from Wikimedia Commons
Philkon -
Piazza, Mike, 1968-
Image from Wikimedia Commons
Roncalio, Teno, 1916-2003
Image from Wikimedia Commons
unknown - Public Domain
Domenichino, 1581-1641
Image from Wikimedia Commons
unknown - Public Domain
Mallowan, M. E. L. (Max Edgar Lucien)
Image from Wikimedia Commons
Newdigate, Roger, Sir, 1719-1806
Image from Wikimedia Commons
White, New York. - Public Domain
Lenihan, Winifred, -1964
Image from Wikimedia Commons
Sparks (Petufo - CC BY-SA 3.0
Tábara, Enrique, 1930-
Image from Wikimedia Commons
unknown - Public Domain
Stuart, George Okill, 1776-1862
Image from Wikimedia Commons
Gimson, Franklin Charles, 1890-1975
Image from Wikimedia Commons
Swinburne, Algernon Charles, 1837-1909
Image from Wikimedia Commons
Æsop
Image from Wikimedia Commons
Rondelet, Guillaume, 1507-1566
Image from Wikimedia Commons
Camille Silvy - Public Domain
Willoughby, Eliza Maria Gordon Cumming, 1847-1922
Image from Wikimedia Commons
Colburn, Zerah, 1804-1840
Image from Wikimedia Commons
unknown - Public Domain
Fieschi, Joseph, 1790-1836
Image from Wikimedia Commons
unknown - Public Domain
Lopez, Aaron, 1731-1782
Image from Wikimedia Commons
Mockridge, Charles H. (Charles Henry), 1844-1913 - Public Domain
Anderson, David, 1814-1885
Image from Wikimedia Commons
Benton, Jacob, 1814-1892
Image from Wikimedia Commons
Putnam, Rufus, 1738-1824
Image from Wikimedia Commons
Hendrick Goltzius - Public Domain
Galle, Philippe, 1537-1612
Image from Wikimedia Commons
Maksymilian Fajans (1827-1890) - Public Domain
Elsner, Józef, 1769-1854
Image from Wikimedia Commons
B C Law - Public Domain
Roy, Jamini, 1887-1972
Image from Wikimedia Commons
Lecoq, Henri, 1802-1871
Image from Wikimedia Commons
Andrade, Carlos Drummond de 1902-1987
Image from Wikimedia Commons
Office of Congresswoman Nancy Mace -
Mace, Nancy, 1977-
Image from Wikimedia Commons
Mauduit, Jacques, 1557-1627
Image from Wikimedia Commons
Public Domain
Oury, Mr. (Granville Henderson), 1825-1891
Image from Wikimedia Commons
Rob Mieremet (ANEFO) - CC BY-SA 3.0
Tinbergen, Niko, 1907-1988
Image from Wikimedia Commons
Original uploader was Zereshk -
Quṭb al-Shīrāzī, Maḥmūd ibn Masʻūd 1236 or 1237-1310 or 1311
Image from Wikimedia Commons
Brooks, John, 1752-1825