Thorvald Sørensen spent the years 1931–1935, based on Ella Island, studying plants in the then little known North-East Greenland.
Thomas Sørensen | Jørgen Haugen Sørensen | Thorvald Aadahl | S. P. L. Sørensen | Thorvald Stoltenberg | Thorvald Stauning | Thorvald Solberg | Thorvald Aagaard | Peter Sørensen Vig | Lis Sørensen | Knud Sørensen | Hans Laurids Sørensen | Hans Christian Sørensen | Anders Sørensen Vedel |