A Letter of Dr. John Wallis to Robert Boyle Esq, Concerning the Said Doctor's Essay of Teaching a Person Dumb and Deaf to Speak, and to Understand a Language; together with the Success Thereof: Which Letter though Written Many Years Since, Was but Lately Obtain'd to be Inserted Here, It Being Esteemed Very Well Worth to be Preserv'd and Communicated for Publick Use

J. Wallis
1670 Philosophical Transactions of the Royal Society of London  
doi:10.1098/rstl.1670.0011 fatcat:tn772vtbvvb4ngwwshaesrktuq