@book{https://resolver.caltech.edu/CaltechAUTHORS:20161006-170901402,
    title = "Giants of Palomar",
    publisher = "California Institute of Technology",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20161006-170901402",
    id = "record"
}


@book{https://resolver.caltech.edu/CaltechAUTHORS:20161006-171604248,
    title = "More Photographic Giants of Palomar",
    publisher = "Westernlore Press",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20161006-171604248",
    id = "record"
}


@book{https://resolver.caltech.edu/CaltechAUTHORS:20140430-082602227,
    title = "Frontiers in Space: Official Publication of the Mount Wilson and Palomar Observatories",
    publisher = "California Institute of Technology",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20140430-082602227",
    id = "record"
}