Biographischer Index der Astronomie = Biographical index of astronomy / Wilhelm Brüggenthies,
Wolfgang R. Dick, 2005
Information trouvée : note biographique, dates de naissance et de mort
Internet - Wikipédia - https://en.wikipedia.org/wiki/James_Francis_Tennant
Information trouvée : Elected to the council of the Royal Astronomical Society in 1885
On the determination of normal places ; On the orbit of comet in (Sawerthal) of 1888
/ by Tennant, 1889 - Extrait de : "Monthly Notices of the Royal Astronomical Society,
vol. XLIX, n°5"