Keck Mid-Infrared Imaging of the QSO 2237+0305

Keck NIRC Observations of Planetary-mass Candidate Members in the sigma Orionis Open Cluster

Keck Observations of the Hidden Quasar IRAS P09104+4109

Keck Observations of the Young Metal-Poor Host Galaxy of the Super-Chandrasekhar-Mass Type Ia Supernova SN 2007if

Keck Pencil-Beam Survey for Faint Kuiper Belt Objects

Keck Speckle Imaging of the White Dwarf G29-38: No Brown Dwarf Companion Detected

Keck Spectra of Brown Dwarf Candidates and a Precise Determination of the Lithium Depletion Boundary in the Alpha Persei Open Cluster

Keck Spectropolarimetry of BALQSO

Keck spectroscopic survey of strongly lensed galaxies in Abell 1703: further evidence for a relaxed, unimodal cluster

Keck Spectroscopy and HST Imaging of Field Galaxies at Moderate Redshift

Keck Spectroscopy and HST Imaging of GRB 000926: Probing a Host Galaxy at z = 2. 038

Keck Spectroscopy and Imaging of Faint Galaxies Identified as MicroJansky Radio Sources

Keck Spectroscopy and Imaging of Globular Clusters in the Lenticular Galaxy NGC 524

Keck Spectroscopy and NICMOS Photometry of a Redshift z=5.60 Galaxy

Keck spectroscopy and Spitzer Space Telescope analysis of the outer disk of the Triangulum Spiral Galaxy M33

Keck Spectroscopy of 4 QSO Host Galaxies

Keck Spectroscopy of Candidate Proto-globular Clusters in NGC 1275

Keck spectroscopy of CLASS gravitational lenses

Keck Spectroscopy of distant GOODS Spheroidal Galaxies: Downsizing in a Hierarchical Universe

Keck Spectroscopy of Dwarf Elliptical Galaxies in the Virgo Cluster