The most important dictionaries of Arabic are late in origin.
He worked intensely on the Talmud and contributed no less than 190 papers to Chambers's Encyclopaedia, in addition to essays in Kitto's and Smith's Biblical Dictionaries, and articles in periodicals.
Another great service to English philology was rendered by his paper, read before the Philological Society, "On some Deficiencies in our English Dictionaries" (1857), which gave the first impulse to the great Oxford New EnglishDictionary.
See the liturgical and ecclesiastical dictionaries of Martigny, Migne, and Smith and Cheetham, sub voce, where all the scattered references are collected together and summarized.
His publications, though always of the most thorough and scholarly character, were to a large extent dispersed in the pages of reviews, dictionaries, concordances, texts edited by others, Unitarian controversial treatises, &c.; but he took a more conspicuous and more personal part in the preparation (with the Baptist scholar, Horatio B.