The observer's book of British grasses, sedges and rushes / compiled by W.J. Stokoe.

by Stokoe, W. J. (William John)
Published 1942

Edition: Rev. ed. / rev. and extended by A. Laurence Wells.

The observer's book of grasses, sedges and rushes / edited by W.J. Stokoe and A.L. Wells.

by Stokoe, W. J. (William John)
Published 1965

Edition: 2nd ed. rev. by F. Rose.