Richthofen (or O.F.) = Altfriesisches Wörterbuch, von Karl Freiherrn
von Richthofen. Göttingen. 1840.

Rietz (or Sw. dial.) = Svenskt Dialekt-Lexikon. J.E. Rietz.
Malmö. 1867.

Ross = Norsk Ordbog. Tillæg til Ivar Aasen's Ordbog. Hans Ross.
Christiania. 1895.

Schiller und Lübben = Mittelniederdeutsches Wörterbuch. Bremen.
1875-1880. Cited as M.L.G.

Schlyter = Glossarium til Skånelagen (Sveriges Gamle Lagar IX.).
C.J. Schlyter. Lund. 1859.

O.S. = Old Saxon. Schmellers Glossarium Saxonicum e Poemate Heliand.
Tübingae. 1840.

Sievers = Altenglische Grammatik. Eduard Sievers. 3 Auflage. 1898.

Skeat = Etymological Dictionary of the English Language. Oxford.
1882; and Concise Etymological Dictionary. Oxford. 1897.

Skeat's list = A List of English Words, the Etymology of which is
illustrated by Comparison with Icelandic. W.W. Skeat. Oxford. 1876.

Steenstrup = Danelag (Vol. IV. of "Normannerne"). J.C.H.R.
Steenstrup. Kjöbenhavn. 1882.

Sweet = Student's Anglo-Saxon Dictionary. Henry Sweet. Oxford. 1897.