L. Levett

“Devices and desires”

M. Pearson, L. Levett, 2001 .

Which three year olds need speech therapy? Uses of the Levett-Muir language screening test.

J. Muir, L. Levett, 1983, Health visitor.

A method of communication for non-speaking severely subnormal children--trial results.

L. Levett, 1971, The British journal of disorders of communication.

A method of communication for non-speaking severely subnormal children.

L. Levett, 1969, The British journal of disorders of communication.