William Darrach Halsey is an American encyclopaedist and lexicographer. He is chiefly noted for his work on Collier's Encyclopedia, but was also lead editor of a number of other encyclopaedias and dictionaries.
^Halsey, William Darrach (31 August 1980). "Merit Students Encyclopedia". Macmillan Educational Corporation. Retrieved 31 August 2017 – via Google Books.
