Tolong jelaskan mengenai Bibliografi dari Asaph Hall

Angelo Hall. An Astronomer's Wife: The Biography of Angeline Hall. Baltimore: Nunn & Company, 1908. Buku ini telah dicetak ulang oleh BiblioLife (9 Desember 2008). (termasuk bab biografi Asaph Hall)

Percival Hall. Asaph Hall, Astronomer. Self published, nd. (booklet, 46 pp.)

George William Hill. A Biographical Memoir of Asaph Hall, 1829-1907. Judd and Detwiler: Washington, DC, 1908.

The History of the Detroit Observatory at www.umich.edu

US Naval Observatory Library search for photos

Hall Memorabilia at the US Naval Observatory

photograph archive  of Emilio Segrè at American Institute of Physics