Sifa kwa Ajili ya Picha

Ukurasa 35, Cyprian: ICCD E 1588.

Ukurasa 36, Plato: Picha ya Vatican Museum.

Ukurasa 38, Augustine wa Hippo: ICCD E 52787.

Ukurasa 39, Calvin: Hisani ya Trustees of The British Museum. Zwingli: Hisani ya Trustees of The British Museum.

Ukurasa 40, Marx: New York Times, Berlin—33225115. Manifesto ya Kikomunisti: Kwa idhini ya British Library. The Origin of Species: Kwa idhini ya British Library. Darwin: Hisani ya Trustees of The British Museum.

Ukurasa 41, Nuru ya umeme: U.S. Department of the Interior/National Park Service; Edison/National Historic Site. Simu: Hisani ya AT&T Archives. Linotaipu: Division of Graphic Arts, National Museum of American History, Smithsonian Institution. Kinanda: U.S. Department of the Interior/National Park Service; Edison/National Historic Site.

Ukurasa 46, Storrs: Six Sermons, cha George Storrs (hs.17,1855hs.17,).

Ukurasa 48, Barbour: Inayotegemea mchoro kutoka Rochester Union & Advertiser.

Ukurasa 96, Ndege: Boeing Company Archives.

Ukurasa 125, Grew: Hisani ya The New-York Historical Society, NYC.

Ukurasa 128, Jumba la Carnegie: Carnegie Library of Pittsburgh.

Ukurasa 142, Meli: Hisani ya American Merchant Marine Museum.

Ukurasa 193, Yaliyokuwa makao makuu ya Ushirika wa Mataifa: Picha ya UN. Baraza Kuu la UM: Picha ya UN/Milton Grant. Kurasa 208-209, Ramani: Carnegie Library of Pittsburgh. Kurasa 216-217, Brooklyn Bridge: New York in the Nineteenth Century, cha John Grafton, Dover Publications, Inc.

Ukurasa 288, Ng’ombe: The Bettmann Archive. Kurasa 402-403, Ramani: The Pictorial History of the World, Buku 1, cha James D. McCabe na Henry Davenport Northrop (hs.17,1907 hs.17,).

Ukurasa 611, Hati: Hisani ya Shrine of the Book, Israel Museum, Jerusalem.

Ukurasa 651, Mahakama ya Jimbo na Posta ya Brooklyn: The Brooklyn Historical Society.

Ukurasa 659, Kambi ya mateso (katikati hs-.2,): Oświecim Museum. Nishani: Hisani ya Regimentals, London.

Ukurasa 667, Genge: Hisani ya Canada Wide.

Ukurasa 669, Gereza: Chicago Herald-American.

Ukurasa 670, Genge (juu): AP/Wide World Photos.

Ukurasa 679, Jengo la Mahakama Kuu ya Marekani: Picha na Josh Mathes, Collection of the Supreme Court of the United States.

Ukurasa 681, Duplessis na Kadinali Villeneuve: Picha na W. R. Edwards.

Ukurasa 686, Mahakimu wa Mahakama Kuu ya Marekani: Collection of the Supreme Court of the United States.