Nelme, L. D. (1772). An essay towards an investigation of the origin and elements of language and letters: That is, sounds and symbols: wherein is considered their analogy and power to express the radical ideas on which the primitive language appears to have been formed ... Printed by T. Spilsbury for S. Leacroft.

Nelme, L. D. An Essay Towards an Investigation of the Origin and Elements of Language and Letters: That Is, Sounds and Symbols: Wherein Is Considered Their Analogy and Power to Express the Radical Ideas on Which the Primitive Language Appears to Have Been Formed ... Printed by T. Spilsbury for S. Leacroft, 1772.