Books by Philip C. Keenan
The Chilean National Astronomi
The Chilean National Astronomical Observatory (1852-1965)
The Chilean National Observato
The Chilean National Observatory, 1852-1965
Abundance effects in classification
An atlas of spectra of the coo
An atlas of spectra of the cooler stars
The line spectrum of R Coronae
The line spectrum of R Coronae Borealis, [lambda][lambda] 3700-8600 Å
Studies of the emission lines
Studies of the emission lines in the spectrum of the solar chromosphere ..