Included in Volume I of the Harvard Classics since 1909 , it is considered a prominent American spiritual work .
He kept a journal throughout his life ; it was published posthumously , entitled The Journal of John Woolman ( 1774 ) .
Included in Volume I of the Harvard Classics since 1909 , journal is considered a prominent American spiritual work .
He kept a journal throughout his life ; it was published posthumously , entitled The Journal of John Woolman ( 1774 ) .