Letter to Thomas Manning, 15 February 1802 (quoting from 'The Londoner', no. 1), in E. Marrs (ed.) 'The Letters of Charles and Mary Lamb' vol. 2 (1976) p. 57
Charles Lamb, Thomas Noon Talfourd (1838). “Essays of Elia. Rosamund Gray. Recollections of Chirst's hospital. Essays on the tragedies of Shakspeare [etc.] Letters under assumed signatures published in the Reflector. Curious fragments. Mr. H”, p.42