Columbia subject headings:
Harvard subject headings:
Geology--France--Periodicals.
Natural history--France--Periodicals.
Société géologique de Normandie et des amis du muséum du Havre--Periodicals.
Princeton subject headings:
Geology--France--Periodicals.
Natural history--France--Periodicals.
Periodicals.
Société géologique de Normandie et des amis du muséum du Havre--Periodicals.