File Conferences and Gatherings In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Audiovisual Materials » Photographs
File American Astronomical Society Meetings In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Audiovisual Materials » Photographs » Conferences and Gatherings
File Yerkes Observatory [D.O. no. 297], 1922 Box 17 In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Audiovisual Materials » Photographs » Conferences and Gatherings » American Astronomical Society Meetings
File US Naval Observatory [D.O. no. 137], 1924 Box 17 (outsize) In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Audiovisual Materials » Photographs » Conferences and Gatherings » American Astronomical Society Meetings
File Conference, Observatory, Nantucket, MA [D.O. no. 227], Undated Box 17 In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Audiovisual Materials » Photographs » Conferences and Gatherings
File Detroit Observatory In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Audiovisual Materials » Photographs
File Observatory from Northwest [D.O. no. 228], circa 1930 Box 17 In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Audiovisual Materials » Photographs » Detroit Observatory
File Photograph Reprints [D.O. no. 183] Box 17 (outsize) In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Audiovisual Materials » Photographs » Detroit Observatory
File Slides of Exterior, 1976 3 slides Box 17 In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Audiovisual Materials » Photographs » Detroit Observatory
File Observatories and Scientific Instruments (other) In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Audiovisual Materials » Photographs