University of Wisconsin--Madison. Dept. of Astronomy.
University of Wisconsin Department of Astronomy blueprints.
Blueprints pertaining to Washburn Observatory, Pine Bluff Observatory, Sterling Hall and astronomical equipment within the department of astronomy at the University of Wisconsin.
University of Wisconsin--Madison. Dept. of Astronomy.
University of Wisconsin--Madison. Pine Bluff Observatory.
Washburn Observatory.
Astronomical observatories.
Astronomical observatories -- United States -- Wisconsin.
AIP-ICOS
University of Wisconsin--Madison. University Archives. Steenbock Library, Madison, WI 53706, USA