If the internet isn't helpful, the following three books were listed as references on what looks like some student's website at
Duke University's website:
Cole, Bill. Miles Davis: The Early Years. New York: De Capo Press, 1994.
Davis, Miles. The Autobiography. New York: Touchstone Book, 1990.
Wild, David. "Miles Davis." Encyclopedia of Jazz (1994).
Listed at Harvard:
Jepsen, Jorgen Grunnet. A Discography of Miles Davis. Copenhagen NV, Karl Emil Knudsen, Dortheavej 39, 1969.
Location: Loeb Music Library; Call Number: Mus 2233.15.42
Szwed, John F. So What: The Life of Miles Davis. New York: Simon & Schuster, 2002.
Location: Lamont Library, Widener Library; Call Number: ML 419.D39 S98 2002
Tingen, Paul. Miles Beyond: The Electric Explorations of Miles Davis, 1967-1991. New York: Billboard Books, 2001.
Location: Lamont Library; Call Number: ML 419.D39 T56 2001
Location: Loeb Music Library; Call Number: Mus 2233.15.82
Note: Also includes sessionography
Yudkin, Jeremy. Miles Davis, Miles Smiles, and the Invention of Post Bop. Bloomington : Indiana University Press, 2008.
Location: Loeb Music Library; Call Number ML419.D39 Y83 2008
Could also try contacting jazz museums to see if they know of the person of place to find that information. If nothing else, contact the
Library of Congress (Note: humanitity/Social Science they do not do detailed biographies). Good luck