==See also==*List of astronomical instrument makers==References==* The Dearborn Telescope* Sirius A & B: A Double Star System In The Constellation Canis Major* Northwestern University Astronomy and Astrophysics - History of Dearborn Observatory* Look south to see winter's brightest constellations
* The Dearborn Telescope* Sirius A & B: A Double Star System In The Constellation Canis Major* Northwestern University Astronomy and Astrophysics — History of Dearborn Observatory* Look south to see winter’s brightest constellations