The Miriam and Ira D. Wallach Division of Art, Prints and Photographs: Print Collection, The New York Public Library. "In memory of the illustrious champion of liberty." The New York Public Library Digital Collections. 1775 - 1890. https://digitalcollections.nypl.org/items/510d47da-2e65-a3d9-e040-e00a18064a99
Flagg, James Montgomery, Artist. Wake up America! Civilization calls every man, woman and child! / James Montgomery Flagg. N.Y.: The Hegeman Print. Photograph. Retrieved from the Library of Congress, <www.loc.gov/item/91726511/>.
Lange, Dorothea, photographer. Destitute pea pickers in California. Mother of seven children. Age thirty-two. Nipomo, California. March. Photograph. Retrieved from the Library of Congress, <www.loc.gov/item/2017762891/>.
Source description and credit info from the Department of Defense:
The 'Tribute in Light' memorial is in remembrance of the events of September 11, 2001, in honor of the citizens who lost their lives in the World Trade Center attacks. The two towers of light are composed of two banks of high wattage spotlights that point straight up from a lot next to Ground Zero. The 'Tribute in Light' memorial was first held in March 2002. This photo was taken from Liberty State Park, New Jersey on September11, 2006, the five year anniversary of 9/11. USAF photo by Denise Gould.