Rollo statue (John Caron, Fargo-History.com) Brief history of the Fargo statue

Rollo (Ganger Rolf) (Jim Pearson) Photographs of Ålesund, putative birthplace of Rollo, including the Ålesund statue

Rollo of Normandy (Stewart Baldwin) Better than average genealogical page

Rollo (Columbia Encyclopedia) Brief encyclopedia article

Rollo (Encyclopedia.com) Brief encyclopedia article

The Rollonid Principality (Robert Helmerichs, ORB) Short history of 10th-century Normandy, including chapter on Rollo

Normandy (Georges Gayou, The Catholic Encyclopedia) Old but not-bad overview of Norman history

W.A.C.E. Site dedicated to the 12th-century author of the Roman de Rou

Wace Biographical information about the poet