Yerkes Telescope Construction and Use – Wisconsin 101 Our History in Objects – UW–Madison
File:PSM V51 D822 Telescope at yerkes observatory.jpg - Wikimedia Commons
/arc-anglerfish-arc2-prod-tronc.s3.amazonaws.com/public/VI7JY4HFUVAH5OK7ITY36LIXYQ.jpg "Closed for months, historic space observatory once again has a bright future after U. of C. donation - Chicago Tribune")
Closed for months, historic space observatory once again has a bright future after U. of C. donation - Chicago Tribune
Visual Observing With The 40-Inch Yerkes Refractor
Yerkes Observatory – Williams Bay, Wisconsin - Atlas Obscura
40 inch refracting telescope at Yerkes Observatory in Williams Bay, Wisconsin Stock Photo - Alamy
40 inch Yerkes telescope, Yerkes Observatory, Wisconsin, USA, 1915 by Warner & Swasey Company at Science and Society Picture Library
The Great Yerkes Telescope, Chicago University, USA (Print #14127720)
The (Almost) Re-Opening of the Yerkes Observatory - Sky & Telescope - Sky & Telescope
Yerkes Telescope 1897
A Tour of the Famed Yerkes Observatory | Amateur Astronomers Association of Princeton
Wisconsin 101: Yerkes Telescope And The Birthplace Of Astrophysics - Wisconsin Life
Yerkes Observatory Lives On as the Largest Refractor Telescope Ever Built | Astromart
Telescope At Yerkes Observatory Photograph by Royal Astronomical Society/science Photo Library
Wisconsin's Yerkes Observatory—stargazing through the world's largest refracting telescope
27 Yerkes ideas | observatory, williams bay, telescopes
Yerkes Observatory aims for resurrection as school for astronomy – Chicago Tribune
Yerkes Observatory is closing its doors | Astronomy.com
Yerkes Observatory - Wikipedia
China Is Building The World's Largest Refractor Telescope To Search For Near-Earth Asteroids
40 inch refracting telescope at Yerkes Observatory in Williams Bay, Wisconsin Stock Photo - Alamy
History of Yerkes | Yerkes Observatory
New stewards for Yerkes Observatory offer an expanded mission and vision | Local News | madison.com
Today's A Big Day': Wisconsin's Yerkes Observatory Has New Ownership | Wisconsin Public Radio
Yerkes Observatory | observatory, Williams Bay, Wisconsin, United States | Britannica
