TY  - RPRT
TI  - History of North American pinnipeds: A monograph of the walruses, sea-lions, sea-bears, and seals of North America
AU  - Ferdinand Vandeveer Hayden
AU  - Joel Asaph Allen
PY  - 1880
DO  - 10.3133/70039637
UR  - https://pubs.usgs.gov/publication/70039637
ID  - 70039637
ER  -