Leon Campbell

Annie Jump Cannon

Annie Jump Cannon

Year unknown

A tentative classification of lon...

A tentative classification of long period variables

Year unknown

Changes of period in variable sta...

Changes of period in variable stars of long period

Year unknown Theodore E. Sterne and Leon Campbell

Comparison stars for 279 variable...

Comparison stars for 279 variables prepared for publication by Leon Campbell ... under the direction of Edward C. Pickering ... Printed from funds resulting from the will of Josiah Quincy, jun. ..

Year unknown

Historia de las estrellas variables

Historia de las estrellas variables

Year unknown Leon Campbell, Luigi G. Jacchia, and Bernhard H. Dawson

Maxima and minima of two hundred ...

Maxima and minima of two hundred and seventy-two long period variable stars, during the years 1900-1920

Year unknown

Observations of seventy-five vari...

Observations of seventy-five variable stars of long period during the years 1902-1905

Year unknown Leon Campbell and Edward Charles Pickering

Observations of three hundred and...

Observations of three hundred and twenty-eight variable stars during the years 1906-1910

Year unknown

Observations of three hundred and...

Observations of three hundred and twenty-three variable stars during the years 1911-1916

Year unknown

Radio talks from the Harvard Obse...

Radio talks from the Harvard Observatory

Year unknown Leon Campbell, Solon I. Bailey, and Cecilia Payne-Gaposchkin

Studies of long period variables

Studies of long period variables

Year unknown

The light curve of Nova Aquilae n...

The light curve of Nova Aquilae no. 3

Year unknown

The light curve of Nova Geminorum...

The light curve of Nova Geminorum, no. 2

Year unknown

The light curve of SS Cygni, 213843

The light curve of SS Cygni, 213843

Year unknown

The story of variable stars

The story of variable stars

Year unknown

The story of variable stars

The story of variable stars

Year unknown

The variable star SS Cygni

The variable star SS Cygni

Year unknown Leon Campbell and Edward Charles Pickering

Variable star notes from the Amer...

Variable star notes from the American Association of Variable Star Observers

Year unknown

Variable star notes from the Amer...

Variable star notes from the American Association of Variable Star Observers 1936

Year unknown

Variable star notes from the Amer...

Variable star notes from the American Association of Variable Star Observers [and] The role of the amateur in variable star astronomy

Year unknown

Willard James Fischer, 1867-1934

Willard James Fischer, 1867-1934

Year unknown

Willard James Fisher, 1867-1934

Willard James Fisher, 1867-1934

Year unknown