Horace Mann (1850). “A Few Thoughts for a Young Man: A Lecture, Delivered Before the Boston Mercantile Library Association, on Its 29th Anniversary”, p.49
Oliver Goldsmith (1816). “Preface to Dr. Brooke's natural history. Introduction to a new History of the world. Preface to the Roman history. Preface to the History of England. Preface to An history of the earth. Preface to the Beauties of English poetry. Preface to a collection of poems for young ladies, devotional, moral, and entertaining. Dr. Aikin's Critical dissertation on the poetry of Dr. Goldsmith. Poems. Dramatic : The good-natur'd man. She stoops to conquer”, p.116