Courtesy National Museum of the United States Army.

Courtesy National Museum of the United States Army | National Museum of the U. S. Army.

Courtesy of National Museum of the U. S. Army.

Courtesy: National Institute of Allergy and Infectious Diseases

Courtesy National Statuary Hall Collection | NSHC

Courtesy National Institutes of Health | NIH National Eye Institute

** Singa the Courtesy Lion, the mascot for the National Courtesy Campaign in Singapore

A plaque on the pillar reads: " Grand Canyon Strata, Courtesy of Grand Canyon National Park ".

Courtesy National Museum of the United States Army | National Museum of the U. S. Army.

Courtesy of The National Guard

Landing Zone by John O. Wehrle, CAT I, 1966, Courtesy of the National Museum of the United States Army

Courtesy of National Museum of the U. S. Army.

* Chronic Traumatic Encephalopathy In The National Football League: Pages 223-225 ( Courtesy of http :// www. sportslegacy. org )

Image credit: Courtesy of James Overland, National Oceanic and Atmospheric Administration's ( NOAA ) Pacific Marine Environmental Laboratory ( PMEL ).

Courtesy: Florida Keys National Marine Sanctuary Staff

Courtesy of National Museum of the U. S. Army.

Courtesy of the National Library of Sweden | Royal Library, Stockholm

" Courtesy: Pacific Northwest National Laboratory.

" Courtesy: Pacific Northwest National Laboratory.

" Courtesy: Pacific Northwest National Laboratory.

Courtesy of the United States Army Center of Military History | U. S. Army Center for Military History.

File: The Earth seen from Apollo 17. jpg | Earth as seen from Apollo 17, with southern polar ice cap visible ( Courtesy NASA )

Courtesy of the: en: Museum of Fine Arts of Lyon | Museum of Fine Arts of Lyon

Courtesy of the United States Naval Observatory | US Naval Observatory Library

< td >< center > Map of Pony Express # Route of the Pony Express | Pony Express Route, by William Henry Jackson, 1861 </ center >< center >< span style =" font-size: 9pt ">~ Courtesy Library of Congress ~</ span ></ font ></ center >

Image: Mingun-nun-alms. jpg | Nun on alms round, Mingun Paya, Myanmar Courtesy: http :// www. whileseated. org

Courtesy the NOAA Photo Library.

Map of the I-94 Derecho ( Courtesy of NOAA )

Courtesy of the U. S. Naval Institute Photo Collection.

Photo Courtesy of Kentucky Historical Society

Photo Courtesy Dr. Robert L. Burgess

Courtesy of Department of Computer Science at the University of Illinois ( Faculty Photo Board Polaroid Photo.

Photo Courtesy of the Bankstown Greens.

< center > Illustrated Map of Pony Express Route in 1860 </ center >< center > by William Henry Jackson </ center >< center > ~ Courtesy the Library of Congress ~</ center >< center > The Pony Express mail route, April 3, 1860 – October 24, 1861 ; Reproduction of Jackson illustration issued to commemorate the 100th anniversary of Pony Express founding on April 3, 1960.

Courtesy: Beinecke Library.

Courtesy: Beinecke Library.

Courtesy: Beinecke Library.

Courtesy: Beinecke Library.

Courtesy: Beinecke Library.

Courtesy Library of Congress.

A fine example of the Public Buildings in Calcutta ( Courtesy of Special Collections, University of Houston Libraries ). The Imperial Library was formed in 1891 by combining a number of Secretariat libraries in Calcutta.

" Courtesy of the University of Houston Digital Library.

Courtesy: Toronto Public Library Digital Collections

Courtesy Salem ( Oregon ) Public Library.

Courtesy: Beinecke Library.

Courtesy: Beinecke Library.

Courtesy Library of Congress, Geography and Map Division.

Courtesy Special Collections, Harold B. Lee Library, Brigham Young University, Provo, UT 84602.

Courtesy of the Library of Congress

Courtesy of the Library of Congress.

Courtesy of the Library of Congress.

Courtesy of the Frances Loeb Library, Graduate School of Design, Harvard University.