Contributions From National Observatories
- http://www.naic.edu/ for NAIC,
- http://www.noao.edu/dir/seniorreview/ for NOAO,
- http://www.nrao.edu/pr/NewsColumn/SeniorReview/seniorreview.shtml for NRAO,
- http://www.nso.edu/senior_review/ for NSO and
- http://www.aura-astronomy.org/nv/nuresult.asp?nuid=97 for Gemini.