समान संसाधन

• Spectra of bright southern stars photographed with the 13-inch Boyden Telescope as a part of the Henry Draper memorial / discussed by Annie J. Cannon. Under the direction of Edward C. Pickering
  द्वारा: Cannon, Annie Jump
  प्रकाशित: (1901)
• The Draper catalogue of stellar spectra : photographed with the 8-inch bache telescope as a part of the Henry Draper memorial
  द्वारा: Draper, Henry
  प्रकाशित: (1890)
• Miscellaneous investigations of the Henry Draper memorial / by Edward C. Pickering. Aided by M. Fleming
  द्वारा: Pickering, Edward Charles
  प्रकाशित: (1897)
• Miscellaneous investigations forming a part of the Henry Draper memorial / Edward C. Pickering
  प्रकाशित: (1912)
• Photographic photometry forming a part of the Henry Draper memorial / by Edward S. King
  द्वारा: King, Edward Stauffer
  प्रकाशित: (1912)