Dr. Williams' Library in London has a copy of Bishop John Wilkins's Ecclesiastes, interleaved with pages on which the divine and hymn-writer Isaac Watts made hundreds of notes — concerning the books he studied at Thomas Rowe's Dissenting academy in London, the comments of leading figures in London's nonconformist circles, and his own maturing opinions and judgments. Dates on various notes range from 1690 to 1709. The document should be of interest to all students of English religious nonconformity in the seventeenth century; it is in effect a manuscript record of an education for the Dissenting ministry, written by one of the foremost ministers of the age, which further reveals the influence of that education on his thinking and his pastoral activities in the most active years of his public leadership. Through a combination of circumstances, Watts' copy of Wilkins has remained obscure, unidentified and virtually untouched in the Dr. Williams archives for well over a century. Now that it has come to light again,2 and has been identified as Watts's,3 perhaps it can gain the attention it merits