Wilkins, J., & Asbach-Schnitker, B. (1984). Mercury, or, The secret and swift messenger: Shewing how a man may with privacy and speed communicate his thoughts to a friend at any distance ; together with, An abstract of Dr. Wilkins's essays towards a real character and a philosophical language. J. Benjamins Pub. Co..

Wilkins, John, juo Brigitte Asbach-Schnitker. Mercury, or, The Secret and Swift Messenger: Shewing How a Man May with Privacy and Speed Communicate His Thoughts to a Friend at Any Distance ; Together with, An Abstract of Dr. Wilkins's Essays Towards a Real Character and a Philosophical Language. Amsterdam ; Philadelphia: J. Benjamins Pub. Co., 1984.

Wilkins, John, juo Brigitte Asbach-Schnitker. Mercury, or, The Secret and Swift Messenger: Shewing How a Man May with Privacy and Speed Communicate His Thoughts to a Friend at Any Distance ; Together with, An Abstract of Dr. Wilkins's Essays Towards a Real Character and a Philosophical Language. J. Benjamins Pub. Co., 1984.