Mosaic (4th century) from Trier

Photo by user Shiny Things / Flickr.

Photo by Harald Hoffmann, 1981. (Deutsches Bundesarchiv Bild B 145 Bild-F062164-0004)

Portrait of Giovanni Boccaccio from Il decameron di Messer Giovanni Boccaccio (Firenze : Ciardetti, 1822).

Wikimedia Commons

Used by permission of Baker Publishing Group, copyright © 2008. All rights to this material are reserved. Materials are not to be distributed to other web locations for retrieval, published(see © info.)

Courtesy of the NYPL Digital Gallery (image use requires permission from the New York Public Library)

George Buchanan. Frontispiece from George Buchanan; a biography (1906) by Donald Macmillan

Credit: Arnold Genthe, ca. 1932
(LoC Prints and Photographs Division,
LC-USZ62-10297)

public domain

Mathematisches Forschungsinstitut Oberwolfach, http://owpdb.mfo.de/detail?photoID=726

Fritz Kern / © ÖNB/Wien

Photo by Yousuf Karsh, 1948
(Yousuf Karsh / Library and Archives Canada / PA-212510)

Image © ÖNB/Wien

From "Geology" - Library of Science (J.A. Hill 1904)

© ÖNB/Wien

Portrait by Ilana Simons

from Wikipedia, photographer unidentified

© ÖNB/Wien

Lee Samuels, Courtesy of the NYPL Digital Gallery (image use requires permission from the New York Public Library)

from Wikipedia
Photograph taken of the bust of Homer
in the British Museum, London

Image © ÖNB/Wien

By permission of Brian Kernighan

1966, Wojciech Zemek.

Photo by Carl Van Vechten, May 22, 1940 (Library of Congress, Carl Van Vechten Collection, Reproduction number: LC-USZ62-103696)

Photo © ÖNB/Wien

Courtesy of the NYPL Digital Gallery (image use requires permission from the New York Public Library)

Courtesy of the NYPL Digital Gallery
(image use requires permission from the New York Public Library)

Harald Schmidt, after the Ludwig Börne Award Ceremony, Frankfurt am Main, 2007. Photo by user dontworry / Wikimedia Commons.

E. Niggemeyer / © ÖNB/Wien

Source: "America in the War" by Edwin Morse (1919)
WWI Commentaries/Articles

c1917 photograph
(Library of Congress Prints and Photographs Division,
LC-USZ62-95518)

Photo by Antonio Zugaldia / Flickr.

Library of Congress, Carl van Vechten Collection, Reproduction NumberLC-USZ62-42512 DLC

from http://en.wikipedia.org/wiki/File:Niklaus_Wirth,_UrGU.jpg

Photo by user Yongxinge / Wikimedia Commons