Harvard College Observatory, circular no. 18. Variable star clusters.

Harvard College Observatory, circular no. 2. Variable star clusters.

Harvard College Observatory, Circular No. 20.

Harvard College Observatory, circular no. 3. New variable star of the algol type.

Harvard College Observatory, circular no. 4. A new star in Centaurus.

Harvard College Observatory, circular no. 5. Wells' algol variable.

Harvard College Observatory, circular no. 6. New variable stars.

Harvard College Observatory, circular no. 7. Ten new variable stars.

Harvard College Observatory, circular no. 9. Stars having peculiar spectra.

Harvard-Smithsonian Center for Astrophysics

Has a 97 minute periodicity in 4U 1700-37/HD 153919 really been discovered

Has A Standard Model Solution to the Solar Neutrino Problem Been Found?

Has a Standard Physics Solution to the Solar Neutrino Problem Been Found? - a Response

Has a star enough energy to excite the thousand of modes observed with CoRoT?

Has Alpha VIR ever stopped pulsating?

Has Blending Compromised Cepheid-Based Determinations of the Extragalactic Distance Scale?

Has cosmological dark matter been observed?

Has DAMA Detected Self-Interacting Dark Matter?

Has interstellar forbidden Fe X been detected in the spectrum of SN 1987 A?

Has P Cygni generated a shock front which emits nonthermal radiation