Ashmole Bestiary courtesy of Adeva (www.adeva.com)

AP/Wide World Photos

Archaia Entertainment LLC

The Art Archive

Art Resource

La Sirène by Wilson Bigaud, Private Collection

The Bridgeman Art Library International

Dan Burton Photography

Center for Disease Control

The CONUS Archive

Discovery Footage Source

Discovery Virtual Library

Footage Search

Carl J. Franklin

Getty Images

The J. Paul Getty Trust

Michael H. Kanzler

Leiden University Library: 1799 A 11

Library of Congress, Geography and Map Division

MNHN/ESRF/ANKA

Den Haag, Museum Meermanno-Westreenianum

National Gallery of Art

Natural History New Zealand Limited

Arthur Friedlander, National Institute of Allergy and Infectious Diseases

National Library of Medicine

Manuscripts and Archives Division, New York Public Library

Pond5

Rosenbach Museum & Library, Philadelphia

The Royal Library, Copenhagen

William A. Shachtman and Leonard Schwartz

State Russian Museum, St. Petersburg

Superstock

Beinecke Rare Book & Manuscript Library, Yale University