1. Photo of Duke Ellington is in the public domain in that it was published in the United States between 1923 and 1977 and without a copyright notice. Source.

2. Photo of Miles Davis is from the William P. Gottlieb Collection which was purchased by the Library of Congress in 1995. The collection consists of jazz photographs taken from 1938 to 1948 by writer-photographer William P.Gottlieb. In accordance with the wishes of Gottlieb, the photographs in this collection entered into the public domain on February 16, 2010. See Copyright and Other Restrictions.

3. Photo of John Coltrane by Gelderen, Hugo van / Anefo is licensed under CC BY-SA 3.0 NL.

4. Photo of Louis Armstrong is available from the United States Library of Congress's Prints and Photographs division under the digital ID cph.3c27236. No copyright restriction known. Staff photographer reproduction rights transferred to Library of Congress through Instrument of Gift.

5. Photo of Count Basie is from the William P. Gottlieb Collection which was purchased by the Library of Congress in 1995. The collection consists of jazz photographs taken from 1938 to 1948 by writer-photographer William P. Gottlieb. In accordance with the wishes of Gottlieb, the photographs in this collection entered into the public domain on February 16, 2010. See Copyright and Other Restrictions.

6. Photo of Ella Fitzgerald is from the William P. Gottlieb Collection which was purchased by the Library of Congress in 1995. The collection consists of jazz photographs taken from 1938 to 1948 by writer-photographer William P. Gottlieb. In accordance with the wishes of Gottlieb, the photographs in this collection entered into the public domain on February 16, 2010. See Copyright and Other Restrictions.

7. Photo of Wynton Marsalis was originally posted to Flickr by Bruno Bollaert. It has been made available under the terms of the cc-by-nc-nd-2.0.

8. Photo of Thelonious Monk is from the William P. Gottlieb Collection which was purchased by the Library of Congress in 1995. The collection consists of jazz photographs taken from 1938 to 1948 by writer-photographer William P. Gottlieb. In accordance with the wishes of Gottlieb, the photographs in this collection entered into the public domain on February 16, 2010. See Copyright and Other Restrictions.

9. Photo of Billie Holiday is from the William P. Gottlieb Collection which was purchased by the Library of Congress in 1995. The collection consists of jazz photographs taken from 1938 to 1948 by writer-photographer William P. Gottlieb. In accordance with the wishes of Gottlieb, the photographs in this collection entered into the public domain on February 16, 2010. See Copyright and Other Restrictions.

10. Photo of Benny Goodman is in the public domain in that it was published in the United States between 1923 and 1977 and without a copyright notice. Source.

11. Photo of Charlie Parker is from the William P. Gottlieb Collection which was purchased by the Library of Congress in 1995. The collection consists of jazz photographs taken from 1938 to 1948 by writer-photographer William P. Gottlieb. In accordance with the wishes of Gottlieb, the photographs in this collection entered into the public domain on February 16, 2010. See Copyright and Other Restrictions.

12. "Charles Mingus" was originally posted to Flickr by tm_marcello at
http://flickr.com/photos/11447043@N00/357468640. It was reviewed on 10 April 2008 by the FlickreviewR robot and was confirmed to be licensed under the terms of the cc-by-sa-2.0.

13. Photo of Sonny Rollins was originally posted to Flickr by Evert-Jan Hielema. It has been made available under the terms of the cc-by-nc-nd-2.0.

14. Photo of Dizzy Gillespie was originally posted to wikipedia by Roland Godefroy at
http://en.wikipedia.org/wiki/File:Dizzy_Gillespie01.JPG and licensed under the terms of the cc-by-3.0.

15. Photo of Stan Getz originally appeared in Billboard Magazing 6 November 1965, and is in the public domain in that it was published in the United States between 1923 and 1977 and without a copyright notice (details).

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