Polychronicon Ranulphi Higden monachi Cestrensis; together with the English translations of John Trevisa and of an unknown writer of the fifteenth century.

The first book comprises a brief description of the two countries of the known world, and a more particular account of Great Britain.

The unknown God,

Mode of access: Internet.

Über die Struktur aliphatischer ... [unknown character]-Aldehydocarbonsäuren.

Inaug.-Diss.--Berlin.

The unknown serviceman of the Vietnam era /

Mode of access: Internet.