Neilson, W. A., Knott, T. A., & Carhart, P. W. (1959). Websterʹs new international dictionary of the english language: Utilizing all the experience and resources of more than one hundred years of Merriam - Webster dictionaries: a Merriam - Webster (2nd unabridged.). Springfield, Mass.: G. & C. Merriam Company.

Neilson, William Allan,, Thomas A. Knott, and Paul W. Carhart. Websterʹs New International Dictionary of the English Language: Utilizing All the Experience and Resources of More Than One Hundred Years of Merriam - Webster Dictionaries: A Merriam - Webster. 2nd unabridged. Springfield, Mass.: G. & C. Merriam Company, 1959.

Neilson, William Allan,, Thomas A. Knott, and Paul W. Carhart. Websterʹs New International Dictionary of the English Language: Utilizing All the Experience and Resources of More Than One Hundred Years of Merriam - Webster Dictionaries: A Merriam - Webster. 2nd unabridged. Springfield, Mass.: G. & C. Merriam Company, 1959.