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    title = "Frontiers in Space: Official Publication of the Mount Wilson and Palomar Observatories",
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@article{https://resolver.caltech.edu/CaltechAUTHORS:20120612-135810294,
    title = "The Astrophysical Observatory of the California Institute of Technology",
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    year = "1935",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20120612-135810294",
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    issn = "0004-637X",
    doi = "10.1086/143663",
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@article{https://resolver.caltech.edu/CaltechAUTHORS:20120208-111823052,
    title = "Work for the Amateur Astronomer. II. How to Build a Small Solar Observatory",
    journal = "Publications of the Astronomical Society of the Pacific",
    year = "1928",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20120208-111823052",
    id = "record",
    issn = "0004-6280",
    volume = "40"
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    title = "The New Hale Spectrohelioscope",
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    url = "https://resolver.caltech.edu/CaltechAUTHORS:20120208-102019792",
    id = "record"
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    title = "Visual observations of the solar atmosphere",
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    id = "record",
    issn = "0027-8424",
    volume = "12"
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@article{https://resolver.caltech.edu/CaltechAUTHORS:HALpnas25,
    title = "A test of the electromagnetic theory of the hydrogen vortices surrounding sun-spots",
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    id = "record",
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    doi = "10.1073/pnas.11.11.691",
    volume = "11",
    pmcid = "PMC1086214"
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@article{https://resolver.caltech.edu/CaltechAUTHORS:HALpnas24a,
    title = "The spectrohelioscope",
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    url = "https://resolver.caltech.edu/CaltechAUTHORS:HALpnas24a",
    id = "record",
    issn = "0027-8424",
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@article{https://resolver.caltech.edu/CaltechAUTHORS:HALpnas24b,
    title = "The law of sun-spot polarity",
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    year = "1924",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:HALpnas24b",
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@article{https://resolver.caltech.edu/CaltechAUTHORS:HALpnas22,
    title = "Invisible sun-spots",
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    year = "1922",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:HALpnas22",
    id = "record",
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@article{https://resolver.caltech.edu/CaltechAUTHORS:20141215-155926035,
    title = "A Joint Investigation of the Constitution of Matter and the Nature of Radiation",
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    year = "1922",
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    id = "record",
    issn = "0036-8075",
    doi = "10.1126/science.55.1422.332",
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@article{https://resolver.caltech.edu/CaltechAUTHORS:20161018-170132833,
    title = "Lunar photography with the Hooker Telescope",
    journal = "Publications of the Astronomical Society of the Pacific",
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    url = "https://resolver.caltech.edu/CaltechAUTHORS:20161018-170132833",
    id = "record",
    issn = "0004-6280",
    volume = "32"
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@article{https://resolver.caltech.edu/CaltechAUTHORS:20150811-091340905,
    title = "On the Nature of Sun-Spots",
    journal = "Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences",
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    url = "https://resolver.caltech.edu/CaltechAUTHORS:20150811-091340905",
    id = "record",
    issn = "1364-5021",
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    volume = "95"
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@article{https://resolver.caltech.edu/CaltechAUTHORS:20150506-164342379,
    title = "Report of the Astronomy Committee",
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    url = "https://resolver.caltech.edu/CaltechAUTHORS:20150506-164342379",
    id = "record",
    issn = "0027-8424",
    volume = "3"
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@article{https://resolver.caltech.edu/CaltechAUTHORS:20131126-104631808,
    title = "Research Committees in Educational Institutions",
    journal = "Proceedings of the National Academy of Sciences of the United States of America",
    year = "1917",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20131126-104631808",
    id = "record",
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@article{https://resolver.caltech.edu/CaltechAUTHORS:20140804-113621069,
    title = "Preliminary Report of the Organizing Committee to the President of the Academy",
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    url = "https://resolver.caltech.edu/CaltechAUTHORS:20140804-113621069",
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    title = "The Minute Structure of the Solar Atmosphere",
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@article{https://resolver.caltech.edu/CaltechAUTHORS:20150506-165019751,
    title = "On the Nature of the Hydrogen Flocculi and Their Structure at Different Levels in the Solar Atmosphere",
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    url = "https://resolver.caltech.edu/CaltechAUTHORS:20150506-165019751",
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@article{https://resolver.caltech.edu/CaltechAUTHORS:20160520-143840783,
    title = "A 100-Inch Mirror for the Solar Observatory",
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