Columbia subject headings:
Geology, Stratigraphic--Cambrian--Congresses.
Geology, Stratigraphic--Cambrian--Guidebooks.
Geology--New Brunswick--Guidebooks.
Geology--Newfoundland and Labrador--Guidebooks.
Geology--Periodicity--Congresses.
Paleontology, Stratigraphic--Congresses.
Paleontology--Cambrian--Congresses.
Harvard subject headings:
Princeton subject headings:
Geology, Stratigraphic--Cambrian--Congresses.
Geology, Stratigraphic--Cambrian--Guidebooks.
Geology--New Brunswick--Guidebooks.
Geology--Newfoundland--Guidebooks.
Geology--Periodicity--Congresses.
Paleontology, Stratigraphic--Congresses.
Paleontology--Cambrian--Congresses.