Leon Campbell1881 — 1951 · 22 obras en el catálogoObrasTThe story of variable starsThe story of variable starsTThe light curve of SS Cygni, 213843The light curve of SS Cygni, 213843TThe light curve of Nova Geminorum, no. 2The light curve of Nova Geminorum, no. 2TThe light curve of Nova Aquilae no. 3The light curve of Nova Aquilae no. 3VVariable star notes from the American Association of VariablVariable star notes from the American Association of Variable Star ObserversAAnnie Jump CannonAnnie Jump CannonVVariable star notes from the American Association of VariablVariable star notes from the American Association of Variable Star Observers [and] The role of the amateur in variable star astronomyRRadio talks from the Harvard ObservatoryRadio talks from the Harvard ObservatoryOObservations of seventy-five variable stars of long period dObservations of seventy-five variable stars of long period during the years 1902-1905HHistoria de las estrellas variablesHistoria de las estrellas variablesVVariable star notes from the American Association of VariablVariable star notes from the American Association of Variable Star Observers 1936WWillard James Fisher, 1867-1934Willard James Fisher, 1867-1934TThe variable star SS CygniThe variable star SS CygniCChanges of period in variable stars of long periodChanges of period in variable stars of long periodCComparison stars for 279 variables prepared for publication 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. ..MMaxima and minima of two hundred and seventy-two long periodMaxima and minima of two hundred and seventy-two long period variable stars, during the years 1900-1920OObservations of three hundred and twenty-eight variable starObservations of three hundred and twenty-eight variable stars during the years 1906-1910OObservations of three hundred and twenty-three variable starObservations of three hundred and twenty-three variable stars during the years 1911-1916SStudies of long period variablesStudies of long period variablesAA tentative classification of long period variablesA tentative classification of long period variablesWWillard James Fischer, 1867-1934Willard James Fischer, 1867-1934TThe story of variable starsThe story of variable stars
VVariable star notes from the American Association of VariablVariable star notes from the American Association of Variable Star Observers
VVariable star notes from the American Association of VariablVariable star notes from the American Association of Variable Star Observers [and] The role of the amateur in variable star astronomy
OObservations of seventy-five variable stars of long period dObservations of seventy-five variable stars of long period during the years 1902-1905
VVariable star notes from the American Association of VariablVariable star notes from the American Association of Variable Star Observers 1936
CChanges of period in variable stars of long periodChanges of period in variable stars of long period
CComparison stars for 279 variables prepared for publication 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. ..
MMaxima and minima of two hundred and seventy-two long periodMaxima and minima of two hundred and seventy-two long period variable stars, during the years 1900-1920
OObservations of three hundred and twenty-eight variable starObservations of three hundred and twenty-eight variable stars during the years 1906-1910
OObservations of three hundred and twenty-three variable starObservations of three hundred and twenty-three variable stars during the years 1911-1916
AA tentative classification of long period variablesA tentative classification of long period variables