@inbook{https://resolver.caltech.edu/CaltechAUTHORS:20191125-135329052,
    chapter = "The fauna of the Merychippus zone, north Coalinga District, California",
    year = "1935",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20191125-135329052",
    id = "record"
}


@inbook{https://resolver.caltech.edu/CaltechAUTHORS:20200203-132225898,
    chapter = "Tooth characters of protohippine horses with special reference to species from the Merychippus zone, California",
    year = "1934",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20200203-132225898",
    id = "record"
}


@inbook{https://resolver.caltech.edu/CaltechAUTHORS:20200124-102008643,
    chapter = "Anchitheriine Horses from the Merychippus Zone of the North Coalinga District, California",
    year = "1933",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20200124-102008643",
    id = "record"
}