"The author ... is ... David Cooper, who in a manuscript diary ... speaks at length about writing it."--Quaker bibliographical notes, by H. J. Cadbury.
In Bulletin of Friends' historical association. 1937. v. 26, no.1, p. 45.
Another edition, undated, but published in the same year, has imprint Philadelphia: Printed by Joseph Crukshank, cf. Hildeburn, A century of printing. 1885-86. v. 2. (where the authorship is attributed to Anthony Benezel ; Sabin and Evans also credit it to him).