Columbia subject headings:
Parapsychologists--History--20th century.
Parapsychology and science--History--20th century.
Parapsychology--Research--History--20th century.
Science and spiritualism--History--20th century.
Sex role.
Spiritualism--Research--History--20th century.
Harvard subject headings:
Parapsychologists--History--20th century.
Parapsychology and science--History--20th century.
Parapsychology--Research--History--20th century.
Science and spiritualism--History--20th century.
Sex role
Spiritualism--Research--History--20th century.
Princeton subject headings:
Parapsychologists--History--20th century.
Parapsychology and science--History--20th century.
Parapsychology--Research--History--20th century.
Science and spiritualism--History--20th century.
Sex role.
Spiritualism--Research--History--20th century.