On the recent foraminifera of Great Britain

by Williamson, William Crawford
Published 1858

On the recent Foraminifera of Great Britain /

by Williamson, William Crawford, 1816-1895.
Published 1858

On the organization of the fossil plants of the coal-measures

by Williamson, William Crawford
Published 1871

Corrections of the nomenclature of the objects figured in a memoir "On some of the minute objects found in the Mud of the Levant" etc /

by Williamson, William Crawford (1816-1895).
Published 1872